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21 valve
клапан, вентиль, задвижка, шибер- устройство для регулирования или прерывания потока среды в трубопроводах или воздуховодах.
- plug valve (plug cock)- suction-pressure regulating valve (C.P.R.) (holdback valve)English-Russian dictionary of terms for heating, ventilation, air conditioning and cooling air > valve
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22 valve
1) = float needle2) клапан (рис. 15,16); вентиль; задвижка; заслонка; золотник; кран; распределительный кран; створка (дверцы); электронная лампа; гидро- или пневмораспределитель; затвор (гидротехнический); (редко) форсунка; II подавать через клапан; питать через клапан; снабжать; обеспечивать - time the valves - valve acceleration - valve-actuating gear - valve adjusting screw - valve arrangement - valve base patch - valve cock disk - valve control mechanism - valve diameter - valve dust cap - valve edge - valve enclosure - valve end - valve extractor - valve grinding - valve gutter - valve guttering - valve head slot - valve holder - valve hole - valve inside - valve inside plunger pin - valve knock - valve lag - valve lap - valve lead - valve lifter roller - valve lifter roller pin - valve lifting cam - valve location - valve manifold - valve mechanism - valve of tyre - valve operating mechanism - valve refacer - valve refacing - valve refacing machine - valve regulation - valve remover - valve reseating - valve retainer lock - valve return - valve rim - valve rocker arm - valve rocker lever - valve rocker pedestal - valve rocker roller - valve rocker roller pin - valve rocker shaft - valve scaling - valve scorching - valve seal - valve seat bore - valve seat extractor - valve seat grinder - valve seating - valve seating tool - valve sinkage - valve slot - valve spring compressor - valve spring damper - valve spring holder - valve spring key - valve spring lifter - valve spring remover - valve spring retainer - valve spring seat - valve spring seat key - valve spring seat pin - valve spring surge - valve spring tool - valve spring washer - valve stem end - valve stem groove - valve stem guide - valve stem seal - valve stripping - valve surge damper - valve system - valve tab - valve tappet clearance - valve tappet roller pin - valve tappet tube - valve tension spring - valve the gas - valve thimble - valve throat - valve timing - valve timing diagram - valve tip - valve train - valve travel - valve unit - valve unloader assembly - valve velocity - valve wrench - supplementary air valve - clapper swing-check valve - closed-centre valve - cross-feed valve - compensation valve - flapper-nozzle valve - flow regulator valve - large capacity brake valve - metering valve - multipurpose valve - pilot valve - programmable valve with 24 hour/7 day timer for closing and opening the compressed air ringmain - programmable valve with line-to-valve-connection and 1 BSP - quick-closing valve - quick-opening valve - single-stage valve - slide valve collar - sliding-sleeve valve - sliding throttle valve - spool valve - spring turn - spring-and-ball valve - stainless steel padlockable decompressing valve- T-valve- water check valve - water-cooled valve - zero-lap valve -
23 gear
1) = idle reverse pinion2) шестерня; зубчатая передача; зубчатое колесо; большое зубчатое колесо пары; привод (напр. тяги, рычага); передаточный механизм; приспособление; устройство; механизм (с зубчатыми передачами или без них); инструмент; II приводить в движение механизм; сцепляться- gear box- gear change hand lever - gear change shift fork - gear changing - gear changing by foot - gear clearance - gear guard - gear into - gear lift - gear nobbing machine - gear hub - gear lapping machine - gear lever - gear lever interlock - gear lever lock - gear lock - gear measuring machine - gear milling machine - gear noise - gear oil pump - gear operating shaft - gear parts - gear pinion - gear puller - gear pump - gear quadrant - gear rack - gear range - gear ratio - gear reduction - gear reduction rate - gear reduction unit - gear rim - gear ring - gear scoring - gear set - gear set case - gear shaft - gear shaping - gear shaping machine - gear shaving machine - gear shift - gear shift bar - gear shift bar selector - gear shift gate - gear shift lever - gear shift mechanism - gear shift tower - gear shifter - gear shifter shaft lock - gear shifter shaft lock ball - gear shifter shaft lock plunger - gear shifter shaft lock spring - gear shifting - gear shifting diagram - gear shifting fork - gear shifting gate - gear shifting lever - gear shifting quadrant - gear side movement - gear teeth - gear teeth lapping machine - gear tester - gear testing machine - gear tooth contact - gear tooth depth gauge - gear tooth vernier caliper - gear train - gear up - gear wheel - gear with tooth correction - gear withdrawer - in gear - lock in gear - out of gear - put into gear - throw into gear - throw out of gear- cam gear- cone friction gear - coupling gear - crane travelling gear - cut gear - cycloidal gear - discriminating gear - double wheel gear - draw-off gear - elliptical gear - elliptical gear-wheel - encased gear - encased back gear - face gear - feed gear - friction draft gear - friction draught gear - globoidal worm gear - grip gear - ground gear - hand gear - hand steering gear - helical gear - herring-bone gear - high gear - high-ratio gear - Hindley worm gear - hoisting gear - hour-glass worm gear - hydraulic gear - hyperbolical gear - hyperboloidal gear - hypoid gear - idle gear - idler gear - idler reverse gear - index gear - indicator gear - increase gear - interchangeable gears - interlocking gear - intermediate gear - intermittent gear - internal gear - internal spur gear - involute gear - irreversible gear - knocking gear - knuckle gear - lantern gear - lever barring gear - lifting gear - link gear - lock gear - locking gear - longitudinal feed gear - low gear - lubricating gear - lufting gear - magnetic gear - main gear - mangle gear - master gear - metric gear - mid gear - middle gear - module gear - mitre gear - multiplying gear - mutual interlocking gear - non-circular spur gear - octoid bevel gear - oil gear - oil splash gear - oleo gear - operating gear - oscillating cam gear - parallelogram valve gear - pedal gear - pick-off gear - pin gear - pinion gear - pin-wheel gear - piston valve gear - planet gear - planetary gear - point gear - poppet valve gear - positive valve gear - power gear - propeller gear - pulley gear - quick-change gear - quiet gear - quill gear - rack-and-pinion gear - rack feed gear - ratchet gear - readjusting gear - recording gear - reducing gear - reduction gear - reference gear - reference gear-wheel - release gear - remote-control gear - reverse gear - reversing gear - ring gear - rod gear - rotation gear - running gear - saddle gear - safety gear - safety gripping gear - sanding gear - satellite gear - screw gear - scroll gear - segment gear - segmental gear - selective gear - selector gear - self-changing gear - self-locking gear - self-stopping gear - single-curve gear - skew gear - skew bevel gear - slew gear - slewing gear - sliding gear - slip gear - speed-change gear - speed-increasing gear - spiral gear - spiral bevel gear - split gear - spool gear - sprocket gear - spur gear - starting gear - stop gear - straight bevel gear - striking gear - sun gear - sun-and-planet gear - supplementary gear box - swivel gear - synchronizing gear - tappet gear - three-axle gear - throw-over gear - thrust gear - timing gear - tipping gear - tooth gear - towing gear - trailer gear - transmission gear - traverse gear - traversing gear - trigger gear - trip gear - triple-change gear - triple helical gear - tripping gear - tumbler gear - tumbling gear - turning gear - twisted gear - two-speed gear - uncoupling gear - V-gear - valve gear - variable-speed gear - wedge friction gear - wheel gear - whipping gear - winding gear - worm gear - worm barring gear -
24 valve
1) вентиль || вентильный2) задвижка; заслонка; клапан; шибер3) затвор4) золотник || золотниковый5) кран8) pl трубопроводная арматура•- feed control valve - flow summarizing valve - gate-type slide valve - main stop valve - parallel-seat gate valve - pressure release valve - solid-wedge gate valve - speed regulator valve - weight-and-lever loaded valve - welding-end gate valveto set a valve — авт. регулировать клапан
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25 board
1) доска англ. (шириной до 10 см и толщиной до 5 см); амер. ( шириной до 20 см и толщиной до 5 см)2) мн. ч. пиломатериал ( обычно из хвойных пород)3) картон (массой свыше 250 г/см2)4) плита; щит12) электрон. плата13) мор. возд. борт14) осуществлять ( производить) посадку, садиться (на судно, самолёт)15) переплётная крышка; сторонка ( переплётной крышки)•to assemble board — монтировать( печатную) плату;to calender board — каландрировать картон;to cast board — отливать картон;to dress board in planer — обрабатывать доску по поверхности, строгать доску;to glaze board — глянцевать картон;to mold board — калевать доску;to paste board — склеивать листы картона;to run board in ( through) planer — обрабатывать доску по поверхности, строгать доску;to run board through molder — калевать доску;to shiplap board — строгать доску на фальц;to size board — проклеивать картон;to surface board — обрабатывать доску по поверхности, строгать доску-
access board
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additive board
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asbestos-cement board
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asphalt board
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axially fluted board
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back board
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baffle board
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bare board
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barge board
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barrier board
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batter board
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bench board
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bilge board
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binder board
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bleached board
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bleached sulfate board
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bluff board
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bogus board
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boning board
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bottom board
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box board
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bread board
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bridging board
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Bristol board
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bulletin board
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cane fiber board
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cant board
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caption board
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cement-asbestos board
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center board
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center-beaded board
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central control board
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cheek boards
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chip board
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circuit board
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clapper boards
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comb board
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combined board
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composite board
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control board
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cordless board
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corrugated asbestos-cement board
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corrugated board
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corrugated plastic board
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cover board
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CPU board
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crawling board
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cross-corrugated board
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cutout board
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dagger board
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danger board
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dash board
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data board
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delivery board
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densely populated board
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digital board
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distant-warning board
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distribution board
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double-double face corrugated board
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double-face corrugated board
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double-height board
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double-sided board
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double-wall corrugated board
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drafting board
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draining board
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drain board
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drawing board
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duplex board
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echo board
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edged board
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elbow board
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elevating board
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end board
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end boards
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evaluation board
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expansion board
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extension board
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fascia board
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fat board
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feather-edged board
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feather-edge board
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feed board
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fiber board
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fiddle board
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filler board
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fine-line board
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finger board
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fitting board
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flight progress board
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floor board
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floor boards
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fluted board
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folder register board
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food board
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fourble board
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fuse board
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gable board
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gage board
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gangway board
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glass-epoxy board
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gradient board
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gravel board
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grease-resistant board
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guard board
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gypsum board
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hard board
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hard-sized board
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hex-width board
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high-density board
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hybrid-circuit board
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hybrid board
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illuminated indicator board
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illustration board
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impregnated board
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in-and-out board
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input-output board
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instrument board
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jack board
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junction board
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known-good board
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kraft-lined board
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lacing board
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laminated printed circuit board
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layer board
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lazy board
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lear board
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lens board
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leveling board
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light board
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limber board
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load board
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loaded board
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loom board
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louver board
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manger board
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manila board
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manilla board
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matched boards
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match boards
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matrix board
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memory board
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meter board
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mill-lined board
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mixed straw board
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module board
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moisture-barrier board
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mold board
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molded bead board
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molded board
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molded pulp board
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molding board
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moldproof board
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monkey board
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mother board
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mottled white board
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multifunction board
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multilayer interconnection board
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naked board
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navigation lights board
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nontest board
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notch board
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number board
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odd-side board
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one-sided board
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otter board
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panel board
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particle board
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patch board
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pattern board
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peg board
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perforated board
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pilot-balloon plotting board
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pin board
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pipe racking board
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pit boards
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plain board
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plotting board
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plug board
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plug-in board
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poling board
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poppet board
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populated board
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power-ground board
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printed-circuit board
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proofing board
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propulsion control board
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prototyping board
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quard-height board
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race board
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racking board
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raw printed circuit board
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rigid-when-wet corrugated board
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rod board
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rough board
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route card board
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run board
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saddle board
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saddleback board
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sarking boards
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scaffold board
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scum board
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sheet-lined board
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side boards
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sign board
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signal board
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single-face corrugated board
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single-sided board
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single-wall corrugated board
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skid board
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skirt board
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skirting board
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slab board
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sleeve board
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sluice board
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snow board
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sound board
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spacing board
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spinning board
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splash board
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spot board
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square board
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squat board
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stabbing board
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stability board
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stamping board
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stock pile board
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story board
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strickle board
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strip board
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subtractive board
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sulfate board
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terminal board
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test board
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thole board
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timing board
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toll board
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tonnage board
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transom board
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triple-wall corrugated board
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trunk-line board
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tubing board
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turnover board
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two-sided board
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unbleached sulfate board
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unedged board
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unloaded board
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valley board
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varnished board
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vat-lined board
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verge board
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video control board
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visual control board
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warning board
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water-repellent board
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water-resistant board
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wax-treated board
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weatherproof board
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window board
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wire-circuit board
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wire board
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wire-wrap board
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zoned vacuum board -
26 coupling
1) соединение; сочленение; сцепление; сопряжение3) соединительный фланец; соединительная втулка4) смычка; соединительное звено ( цепи)5) сцепка6) связь8) азосочетание9) связность ( модулей системы)10) бтх присоединение; спаривание•-
ac coupling
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acoustic coupling
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angle coupling
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antiparallel coupling
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aperture coupling
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articulated coupling
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atmosphere-ocean coupling
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autoinductive coupling
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automatic brake coupling
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automatic coupling
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autotransformer coupling
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back coupling
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bevel coupling
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bite-type compression coupling
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brake coupling
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breakaway coupling
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bulkhead coupling
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butt coupling
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cable coupling
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capacitance coupling
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casing coupling
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cavity coupling
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choke coupling
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circulator coupling
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clamping ring coupling
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close coupling
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cluster coupling
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clutch coupling
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collet-type coupling
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conductive coupling
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coupling of pipeline sections
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critical coupling
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cross coupling
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cross-channel coupling
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cutting ring coupling
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dc coupling
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direct coupling
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double connectors coupling
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double poppet self-sealing coupling
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double shutoff quick coupling
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double-slider coupling
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drill pipe coupling
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drive shaft coupling
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drum disconnect coupling
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elastic coupling
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elbow coupling
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electric coupling
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electromagnetic coupling
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electromechanical coupling
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electrostatic coupling
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end-fire coupling
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exchange coupling
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feedback coupling
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female quick half coupling
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fixed coupling
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flange coupling
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flare coupling
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flexible coupling
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fluid coupling
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friction clutch coupling
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friction coupling
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galvanic coupling
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gear coupling
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geophone-ground coupling
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geophone coupling
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glass-fiber coupling
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gum coupling
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gyroscopic coupling
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half coupling
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hose coupling
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hydraulic coupling
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impedance coupling
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inductance coupling
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inertial coupling
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interstage coupling
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liquid helium transfer coupling
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load coupling
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loading coupling
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loop coupling
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loose coupling
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magnetic coupling
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magnetic slip coupling
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magnetic solid coupling
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magnetoelastic coupling
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male quick half coupling
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mode coupling
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movable coupling
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mutual coupling
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mutual-inductance coupling
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negative coupling
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ohmic coupling
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opposite phase coupling
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optical coupling
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optimum coupling
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O-ring head coupling
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oxidative coupling
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parallel coupling
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pipe coupling
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pipe thread coupling
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positive coupling
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power takeoff coupling
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pressure fueling coupling
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probe coupling
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quick connect coupling
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quick disconnect coupling
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radiation coupling
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RC coupling
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reducing coupling
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resistance coupling
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resistance-capacitance coupling
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resistive coupling
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resistive-capacitive coupling
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rigid coupling
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rod coupling
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rope coupling
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rotating coupling
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rotor shaft coupling
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screw coupling
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series coupling
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series-capacitance coupling
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shunt-capacitance coupling
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single shutoff quick coupling
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sleeve coupling
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sliding coupling
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spin-orbit coupling
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spin-phonon coupling
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spin-rotational coupling
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spin-spin coupling
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spline coupling
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splineless coupling
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split-flange type head coupling
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spring coupling
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spurious coupling
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straight coupling
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straight-through quick coupling
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stray coupling
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strong coupling
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swivel coupling
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threaded hose coupling
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tight coupling
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timing-fuel flow coupling
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tongue and groove coupling
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tooth-type coupling
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torque coupling
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transformer coupling
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tube coupling
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tubing coupling
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turbine coupling
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turntable coupling
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variable coupling
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weak coupling
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welding nipple coupling -
27 valve
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28 engine
двигатель (внутреннего сгорания); машина; мотор- engine analyzer - engine and gearbox unit - engine area - engine assembly - engine assembly shop - engine bonnet - engine braking force - engine breathing - engine-building - engine capacity - engine cleansing agents - engine column - engine component - engine conk - engine control - engine-cooling - engine-cooling thermometer - engine cowl flap - engine cross-drive casing - engine cutoff - engine cycle - engine data - engine deck - engine department - engine details - engine diagnostic connector - engine-driven air compressor - engine-driven industrial shop truck - engine dry weight - engine efficiency - engine failure - engine fan pulley - engine flameout - engine flywheel - engine for different fuels - engine frame - engine front - engine front area - engine front support bracket - engine fuel - engine gearbox - engine-gearbox unit - engine-generator - engine-governed speed - engine governor - engine gum - engine hatch - engine hoist - engine hood - engine house - engine idles rough - engine in situ - engine installation - engine is smooth - engine is tractable - engine knock - engine lacquer - engine life - engine lifetime pecypc - engine lifting bracket - engine lifting fixture - engine lifting hook - engine location - engine lubrication system - engine lug - engine management - engine management system - engine map - engine misfires - engine model - engine motoring - engine mount - engine-mounted - engine mounted longitudinally - engine mounted transversally - engine mounting - engine-mounting bracket - engine nameplate - engine noise - engine number - engine off - engine oil - engine oil capacity - engine oil filler cap - engine oil filling cap - engine oil tank - engine on - engine operating temperature - engine out of work - engine output - engine overhaul - engine pan - engine peak speed - engine performance - engine picks up - engine pings - engine piston - engine plant - engine power - engine pressure - engine primer - engine rating - engine rear support - engine reconditioning - engine renovation - engine repair stand - engine retarder - engine revolution counter - engine rig test - engine room - engine roughness - engine rpm indicator - engine run-in - engine runs rough - engine runs roughly - engine shaft - engine shed - engine shield - engine shop - engine shorting-out - engine shutdown - engine sludge - engine snubber - engine speed - engine speed sensor - engine stability - engine stalls - engine start - engine starting system - engine starts per day - engine stroke - engine subframe - engine sump - engine sump well - engine support - engine temperature sensor - engine test stand - engine testing room - engine throttle - engine timing case - engine-to-cabin passthrough aperture - engine-transmission unit - engine torque - engine trends - engine trouble - engine tune-up - engine turning at peak revolution - engine under seat - engine unit - engine vacuum checking gauge - engine valve - engine varnish - engine vibration - engine wash - engine water inlet - engine water outlet - engine wear - engine weight - engine weight per horsepower - engine winterization system - engine with supercharger - engine wobble - engine works - engine yard - engine's flexibility - aero-engine - atmospheric engine - atmospheric steam engine - atomic engine - augmented engine - AV-1 engine - aviation engine - back-up engine - birotary engine - blast-injection diesel engine - blower-cooled engine - bored-out engine - boxer engine - bull engine - car engine - charge-cooled engine - crank engine - crankcase-scavenged engine - crude engine - crude-oil engine - diaphragm engine - diesel-electric engine - Diesel engine - Diesel engine with air cell - Diesel engine with antechamber - Diesel engine with direct injection - Diesel engine with mechanical injection - direct injection engine - divided-chamber engine - double-flow engine - double-overhead camshaft engine - drilling engine - driving engine - drop-valve engine - ducted-fan engine - duofuel engine - emergency engine - explosion engine - external combustion engine - external-internal combustion engine - F-head engine - failed engine - fan engine - federal engine - field engine - fire-engine - five-cylinder engine - fixed engine - flame engine - flat engine - flat-four engine - flat twin engine - flexibly mounted engine - forced-induction engine - four-cycle engine - four-cylinder engine - four-stroke engine - free-piston engine - free-piston gas generator engine - front-mounted engine - free-turbine engine - fuel-injection engine - full-load engine - gas engine - gas blowing engine - gas-power engine - gas-turbine engine - gasoline engine - geared engine - heat engine - heavy-duty engine - heavy-oil engine - high-by-pass-ratio turbofan engine - high-compression engine - high-efficiency engine - high-performance engine - high-power engine - high-speed engine - hoisting engine - hopped-up engine - horizontal engine - horizontally opposed engine - hot engine - hot-air engine - hot-bulb engine - hydrogen engine - I-head engine - in-line engine - inclined engine - indirect injection engine - individual-cylinder engine - industrial engine - inhibited engine - injection oil engine - injection-type engine - intercooled diesel engine - intermittent-cycle engine - internal combustion engine - inverted engine - inverted Vee-engine - jet engine - jet-propulsion engine - kerosene engine - knock test engine - L-head engine - launch engine - lean-burn engine - left-hand engine - lift engine - light engine - liquid-cooled engine - liquid propane engine - locomotive engine - longitudinal engine - long-stroke engine - low-compression engine - low-consumption engine - low-emission engine - low-performance engine - low-speed engine - marine engine - modular engine - monosoupape engine - motor engine - motor an engine round - motor-boat engine - motor-fire engine - motorcycle engine - motored engine - multibank engine - multicarburetor engine - multicrank engine - multicylinder engine - multifuel engine - multirow engine - naturally aspirated engine - non-compression engine - non-condensing engine - non-exhaust valve engine - non-poppet valve engine - non-reversible engine - nuclear engine - oil engine - oil-electric engine - oil well drilling engine - one-cylinder engine - operating engine - opposed engine - opposed cylinders engine - Otto engine - out-board engine - overcooled engine - overhead valve engine - oversquare engine - overstroke engine - pancake engine - paraffin engine - paraffine engine - petrol engine - Petter AV-1 Diesel engine - pilot engine - piston engine - piston blast engine - port engine - precombustion chamber engine - prime an engine - producer-gas engine - production engine - prototype engine - pumping engine - pushrod engine - quadruple-expansion engine - qual-cam engine - racing engine - radial engine - radial cylinder engine - radial second motion engine - railway engine - ram induction engine - ram-jet engine - reaction engine - rear-mounted engine - rebuilt engine - reciprocating engine - reciprocating piston engine - reconditioned engine - regenerative engine - regular engine - reheat engine - research-cylinder engine - reversible engine - reversing engine - right-hand engine - rocket engine - rotary engine - rough engine - row engine - run in an engine - scavenged gasoline engine - scavenging engine - sea-level engine - second-motion engine - self-ignition engine - semidiesel engine - series-wound engine - servo-engine - short-life engine - short-stroke engine - shorted-out engine - shunting engine - shunt-wound engine - side-by-side engine - side-valve engine - simple-expansion engine - single-acting engine - single-chamber rocket engine - single-cylinder engine - single-cylinder test engine - single-row engine - six-cylinder engine - skid engine - slanted engine - sleeve-valve engine - sleeveless engine - slide-valve engine - slope engine - slow-running engine - slow-speed engine - small-bore engine - small-displacement engine - solid-injection engine - spark-ignition engine - spark-ignition fuel-injection engine - split-compressor engine - square engine - square stroke engine - stalled engine - stand-by engine - start the engine cold - start the engine light - start the engine warm- hot- starting engine - static engine - stationary engine - steam engine - steering engine - Stirling engine - straight-eight engine - straight-line engine - straight-type engine - stratified charge engine - stripped engine - submersible engine - suction gas engine - supercharged engine - supercompression engine - supplementary engine - swash-plate engine - switching engine - tandem engine - tank engine - thermal engine - three-cylinder engine - traction engine - triple-expansion engine - tractor engine - transversally-mounted engine - truck engine - trunk-piston Diesel engine - turbine engine - turbo-jet engine - turbo-charged engine - turbo-compound engine - turbo-prop engine - turbo-ramjet engine - turbo-supercharged engine - turbocharged-and-aftercooled engine - turbofan engine - turboprop engine - twin engine - twin cam engine - twin crankshaft engine - twin six engine - two-bank engine - two-cycle engine - two-cylinder engine - two-spool engine - two-stroke engine - unblown engine - uncooled engine - underfloor engine - undersquare engine - uniflow engine - unsupercharged engine - uprated engine - V-engine - V-type engine - valve-in-the-head engine - valveless engine - vaporizer engine - vaporizing-oil engine - variable compression engine - variable-stroke engine - variable valve-timing engine - vee engine - vertical engine - vertical turn engine - vertical vortex engine - W-type engine - Wankel engine - warm engine - waste-heat engine - water-cooled engine - winding engine - windshield wiper engine - woolly-type engine - worn engine - X-engine - Y-engine - yard engine -
29 follower-ring gate valve
English-Russian big polytechnic dictionary > follower-ring gate valve
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30 hollow-jet needle valve
English-Russian big polytechnic dictionary > hollow-jet needle valve
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31 Chapelon, André
[br]b. 26 October 1892 Saint-Paul-en-Cornillon, Loire, Franced. 29 June 1978 Paris, France[br]French locomotive engineer who developed high-performance steam locomotives.[br]Chapelon's technical education at the Ecole Centrale des Arts et Manufactures, Paris, was interrupted by extended military service during the First World War. From experience of observing artillery from the basket of a captive balloon, he developed a method of artillery fire control which was more accurate than that in use and which was adopted by the French army.In 1925 he joined the motive-power and rolling-stock department of the Paris-Orléans Railway under Chief Mechanical Engineer Maurice Lacoin and was given the task of improving the performance of its main-line 4–6–2 locomotives, most of them compounds. He had already made an intensive study of steam locomotive design and in 1926 introduced his Kylchap exhaust system, based in part on the earlier work of the Finnish engineer Kyläla. Chapelon improved the entrainment of the hot gases in the smokebox by the exhaust steam and so minimized back pressure in the cylinders, increasing the power of a locomotive substantially. He also greatly increased the cross-sectional area of steam passages, used poppet valves instead of piston valves and increased superheating of steam. PO (Paris-Orléans) 4–6–2s rebuilt on these principles from 1929 onwards proved able to haul 800-ton trains, in place of the previous 500-ton trains, and to do so to accelerated schedules with reduced coal consumption. Commencing in 1932, some were converted, at the time of rebuilding, into 4–8–0s to increase adhesive weight for hauling heavy trains over the steeply graded Paris-Toulouse line.Chapelon's principles were quickly adopted on other French railways and elsewhere.H.N. Gresley was particularly influenced by them. After formation of the French National Railways (SNCF) in 1938, Chapelon produced in 1941 a prototype rebuilt PO 2–10–0 freight locomotive as a six-cylinder compound, with four low-pressure cylinders to maximize expansive use of steam and with all cylinders steam-jacketed to minimize heat loss by condensation and radiation. War conditions delayed extended testing until 1948–52. Meanwhile Chapelon had, by rebuilding, produced in 1946 a high-powered, three-cylinder, compound 4–8–4 intended as a stage in development of a proposed range of powerful and thermally efficient steam locomotives for the postwar SNCF: a high-speed 4–6–4 in this range was to run at sustained speeds of 125 mph (200 km/h). However, plans for improved steam locomotives were then overtaken in France by electriflcation and dieselization, though the performance of the 4–8–4, which produced 4,000 hp (3,000 kW) at the drawbar for the first time in Europe, prompted modification of electric locomotives, already on order, to increase their power.Chapelon retired from the SNCF in 1953, but continued to act as a consultant. His principles were incorporated into steam locomotives built in France for export to South America, and even after the energy crisis of 1973 he was consulted on projects to build improved, high-powered steam locomotives for countries with reserves of cheap coal. The eventual fall in oil prices brought these to an end.[br]Bibliography1938, La Locomotive à vapeur, Paris: J.B.Bailière (a comprehensive summary of contemporary knowledge of every function of the locomotive).Further ReadingH.C.B.Rogers, 1972, Chapelon, Genius of French Steam, Shepperton: Ian Allan.1986, "André Chapelon, locomotive engineer: a survey of his work", Transactions of the Newcomen Society 58 (a symposium on Chapelon's work).Obituary, 1978, Railway Engineer (September/October) (makes reference to the technical significance of Chapelon's work).PJGR -
32 valve
клапан; вентиль; задвижка; заслонка; золотник; подавать или питать через клапан•
- back pressure valve
- ball valve
- bucket valve
- butterfly valve
- by-pass valve
- check valve
- delivery valve
- diaphragm valve
- disc valve
- discharge valve
- distribution valve
- draining valve
- drilling valve
- emergency valve
- escape valve
- exhaling valve
- float valve
- foot valve
- gate valve
- gauge valve
- hydraulic valve
- inhaling valve
- inlet valve
- intake valve
- inverted valve
- mine air stop valve
- main valve
- needle valve
- non-return valve
- outlet valve
- plate valve
- poppet valve
- pressure-release valve
- reducing valve
- reflux valve
- relief valve
- return valve
- safety valve
- slide-valve
- sluice valve
- spill valve
- stop valve
- suction valve
- throttle valve
- transfer valve
- turning valve
- two-way valve
- water-gate valve
- 1
- 2
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