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1 start of dredging
Производственные помещения: начало дноуглубительных работ -
2 начало дноуглубительных работ
Facilities: start of dredgingУниверсальный русско-английский словарь > начало дноуглубительных работ
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3 Priestman, William Dent
SUBJECT AREA: Steam and internal combustion engines[br]b. 23 August 1847 Sutton, Hull, Englandd. 7 September 1936 Hull, England[br]English oil engine pioneer.[br]William was the second son and one of eleven children of Samuel Priestman, who had moved to Hull after retiring as a corn miller in Kirkstall, Leeds, and who in retirement had become a director of the North Eastern Railway Company. The family were strict Quakers, so William was sent to the Quaker School in Bootham, York. He left school at the age of 17 to start an engineering apprenticeship at the Humber Iron Works, but this company failed so the apprenticeship was continued with the North Eastern Railway, Gateshead. In 1869 he joined the hydraulics department of Sir William Armstrong \& Company, Newcastle upon Tyne, but after a year there his father financed him in business at a small, run down works, the Holderness Foundry, Hull. He was soon joined by his brother, Samuel, their main business being the manufacture of dredging equipment (grabs), cranes and winches. In the late 1870s William became interested in internal combustion engines. He took a sublicence to manufacture petrol engines to the patents of Eugène Etève of Paris from the British licensees, Moll and Dando. These engines operated in a similar manner to the non-compression gas engines of Lenoir. Failure to make the two-stroke version of this engine work satisfactorily forced him to pay royalties to Crossley Bros, the British licensees of the Otto four-stroke patents.Fear of the dangers of petrol as a fuel, reflected by the associated very high insurance premiums, led William to experiment with the use of lamp oil as an engine fuel. His first of many patents was for a vaporizer. This was in 1885, well before Ackroyd Stuart. What distinguished the Priestman engine was the provision of an air pump which pressurized the fuel tank, outlets at the top and bottom of which led to a fuel atomizer injecting continuously into a vaporizing chamber heated by the exhaust gases. A spring-loaded inlet valve connected the chamber to the atmosphere, with the inlet valve proper between the chamber and the working cylinder being camoperated. A plug valve in the fuel line and a butterfly valve at the inlet to the chamber were operated, via a linkage, by the speed governor; this is believed to be the first use of this method of control. It was found that vaporization was only partly achieved, the higher fractions of the fuel condensing on the cylinder walls. A virtue was made of this as it provided vital lubrication. A starting system had to be provided, this comprising a lamp for preheating the vaporizing chamber and a hand pump for pressurizing the fuel tank.Engines of 2–10 hp (1.5–7.5 kW) were exhibited to the press in 1886; of these, a vertical engine was installed in a tram car and one of the horizontals in a motor dray. In 1888, engines were shown publicly at the Royal Agricultural Show, while in 1890 two-cylinder vertical marine engines were introduced in sizes from 2 to 10 hp (1.5–7.5 kW), and later double-acting ones up to some 60 hp (45 kW). First, clutch and gearbox reversing was used, but reversing propellers were fitted later (Priestman patent of 1892). In the same year a factory was established in Philadelphia, USA, where engines in the range 5–20 hp (3.7–15 kW) were made. Construction was radically different from that of the previous ones, the bosses of the twin flywheels acting as crank discs with the main bearings on the outside.On independent test in 1892, a Priestman engine achieved a full-load brake thermal efficiency of some 14 per cent, a very creditable figure for a compression ratio limited to under 3:1 by detonation problems. However, efficiency at low loads fell off seriously owing to the throttle governing, and the engines were heavy, complex and expensive compared with the competition.Decline in sales of dredging equipment and bad debts forced the firm into insolvency in 1895 and receivers took over. A new company was formed, the brothers being excluded. However, they were able to attend board meetings, but to exert no influence. Engine activities ceased in about 1904 after over 1,000 engines had been made. It is probable that the Quaker ethics of the brothers were out of place in a business that was becoming increasingly cut-throat. William spent the rest of his long life serving others.[br]Further ReadingC.Lyle Cummins, 1976, Internal Fire, Carnot Press.C.Lyle Cummins and J.D.Priestman, 1985, "William Dent Priestman, oil engine pioneer and inventor: his engine patents 1885–1901", Proceedings of the Institution ofMechanical Engineers 199:133.Anthony Harcombe, 1977, "Priestman's oil engine", Stationary Engine Magazine 42 (August).JBBiographical history of technology > Priestman, William Dent
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4 operation
1) работа; функционирование2) матем. действие3) эксплуатация4) (технологическая) операция; процесс; цикл ( обработки)6) управление7) вчт. операция; команда8) предприятие•-
abnormal operation
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acquisition operation
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aerial operation
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aerial survey operation
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aerial work operation
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aerobatics operation
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aerospace operations
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air-bumped-and-rinse operation
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aircraft operations
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air-lift well operation
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airport facilities operation
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alignment operation
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all-weather operations
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AND operation
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approach operation
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arithmetic operation
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artificial-lift well operation
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associated fire control operation
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asynchronous operation
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attached operation
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attempted operation
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attended operation
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authorized operation
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automated operation
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automatic block operation
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averaging operation
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background operation
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batch operation
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bidirectional operation
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bilevel operation
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binary operation
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bistable operation
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bitwise operation
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bit operation
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blanking operation
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blasting operation
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blocking-off operation
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bookkeeping operations
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Boolean operation
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both-way operation
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brake test operation
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braking operation
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branch operation
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breaking operation
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bytewise operation
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byte operation
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cable operation
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Carnot operation
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carrier-recovery operation
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cation-anion operation
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caving operations
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cavitation-free operation
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centralized operation
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channel operation
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check operation
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chipping-and-hauling operation
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class A operation
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class B operation
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class C operation
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climb to cruise operation
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closing operation
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CNC operation
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cocurrent operation
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coded operation
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co-frequency operation
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cold end operation
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commercial operation
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comparison operation
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complete operation
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concurrent operation
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conjunction operation
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continual harvesting operations
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continuous operation
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continuous-wave operation
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control operation
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counter-current operation
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critical operation
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cutting operation
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cycle operation
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declarative operation
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decrement operation
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demonstration operation
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dependent manual operation
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dependent power operation
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diplex operation
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disjunction operation
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diversity operation
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docked operation
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docking operations
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domestic operations
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double-track operation
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dredging operations
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dressing operation
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drifting operation
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drilling and blasting operations
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drilling operation
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dual operation
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dual-point operation
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duplex operation
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dyadic operation
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emergency operation
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engine run-up operation
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en-route operation
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except operation
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exclusive OR operation
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experimental operation
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explosionproof operation
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face operations
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fail-safe operation
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fail-soft operation
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failure-free operation
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false operation
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fault tolerant operation
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faulty operation
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felling operation
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ferry operation
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field operation
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final felling operations
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finite reflux operation
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fire control operation
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fixed-cycle operation
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fixed-point operation
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flashing operation
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floating-point operation
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flowing well operation
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foreground operation
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forest harvesting operations
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free-flier operation
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free-flying operation
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freight operation
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fretting operation
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fringe operation
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full tree operations
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full-duplex operation
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gas-lift well operation
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gate operation
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general aviation operations
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generic operation
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get-home engine operation
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half-duplex operation
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hands-off operation
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harvesting operations
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hauling operation
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helicopter logging operation
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high-gain operation
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high-speed operation
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hot end operation
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hot-stick operation
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housekeeping operation
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hydropacker plunger lift well operation
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idling engine operation
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IF-THEN operation
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illegal operation
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impeded harmonic operation
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implication operation
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in-channel operation
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increment operation
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independent manual operation
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individual-point operation
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indoor operation
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infinite reflux operation
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in-phase operation
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input/output operation
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instruction operation
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instrument flight rules operation
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integer operation
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international operations
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iterative operation
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jump operation
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kernel operation
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kiln operation
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lagging power factor operation
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landing operation
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large-scale space operations
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large-signal operation
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leading power factor operation
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leveling operation
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level-off operation
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linear operation
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lock-on operation
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logging operations
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logical operation
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loop operation
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low flying operation
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low-effort operation
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low-gain operation
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lumbering operation
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machine operation
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machining operation
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maintenance operation
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manual operation
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marginal operation
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measuring operation
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mechanical operation
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mechanized logging operations
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melting operation
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mill operation
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minimally-manned operation
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minimal operation
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model operation
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monadic operation
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monostable operation
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move operation
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multicarrier operation
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multimode operation
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multiple operation
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multiple-stream operation
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multiple-unit operation
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multiplex operation
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NAND operation
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no operation
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no-load operation
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noncentralized operation
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noncommercial operations
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noncondensing operation
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nonextraction operation
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nonfailure operation
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nonresiduum operation
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nonscheduled operations
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nonslagging operation
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NOR operation
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normal pump operation
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NOT operation
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NOT-AND operation
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NOT-OR operation
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off-design operation
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off-line operation
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one-shot operation
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one-step operation
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on-line operation
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on-off operation
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open-air operation
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open-hearth operation
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opening operation
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OR operation
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outdoor operation
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overburden operations
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packet-mode operation
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packet-switching operation
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parallel operation
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partial reflux operation
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passenger operations
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peak load operation
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pleasure operation
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point operation
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point-to-point operation
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positioning operation
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post-drill operation
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post-fault operation
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power patrol operation
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power station operation
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power system operation
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practice operation
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predrill operation
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primitive operation
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products pipeline operation
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pull-in operation
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pulse laser operation
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pulsed operation
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punched tape operation
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push-pull operation
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push-push operation
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quadrature operation
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quantizing operation
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quarry operation
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rafting operation
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read operation
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real-time operation
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refusing operation
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remote operation
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rendezvous operations
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repetitive operation
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rescue operations
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reservoir operation
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retarder operation
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rotorcraft operations
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rough engine operation
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run-of-river operation
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scale operation
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scheduled operation
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search operation
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self-contained and self-monitored operation
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semifinish operation
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sensory operation
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settling operation
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shift operation
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shunting operation
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signal operation
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simplex operation
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simultaneous operation
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single-block operation
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single-contact operation
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single-mode operation
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single-pulse operation
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single-step operation
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sinking operation
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slag-free operation
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slag-tap operation
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slightly manned operation
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small-signal operation
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solo supervised operation
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solo operation
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speed range operation
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spike operation
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stable operation
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staggered-parallel operation
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standby operation
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starting engine operation
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start-stop operation
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staying operation
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steady operation
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steaming operation
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steelmaking operation
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step-and-repeat operation
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step-by-step operation
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stitch transfer operation
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stone-free operation
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storage operation
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straight gas-lift well operation
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string operation
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studio operation
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stump wood operation
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suppressed-carrier operation
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switch operation
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switching operation
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synchronous operation
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tap-change operation
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taxing operation
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terminal operation
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test operation
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thinning operations
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threading operation
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throttled engine operation
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timber-harvesting operations
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total reflux operation
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touchdown operation
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track-while-scan operation
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training operation
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transfer operation
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transient operation
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tree length operations
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trial operation
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trouble-free operation
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turbine operation
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two-shift operation
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two-vessel operation
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typical operation
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unary operation
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unattended operation
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unauthorized operation
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underground operation
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undocked operation
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undocking operations
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uninterrupted operation
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unmanned operation
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unthrottled engine operation
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variable-load operation
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vertical rotorcraft operation
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water-system operation
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well operation
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whole tree operations
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wide-open throttle operation
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word operation
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working operation
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write operation
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yard operation
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year-round operations -
5 engine
1) машина2) механизм3) двигатель4) устанавливать машину5) снабжать двигателем -
6 pump
2) насос; помпа; накачивание; нагнетание; выкачивание; откачивание (процесс действия насоса); II качать насосом; нагнетать; работать насосом; закачивать (воздух и пр.); накачивать (шины и пр.); откачивать; выкачивать; опорожнять- pump adjustment screw - pump-and-accumulator station - pump and injector unit filter - pump and injector unit follower - pump and injector unit nut - pump and injector unit plunger - pump basket - pump beam - pump blade - pump block - pump body - pump bonnet - pump bowl - pump box - pump braking - pump bucket - pump capacity per revolution - pump cavitation - pump cell - pumping circuit - pump circulation - pump control console - pump cradle- pump cup- pump current - pumping current - pump diameter - pump discharge - pump discharge pressure - pump discharge valve - pump disk - pump displacement - pump distribution gear unit - pump-down - pump-down time - pump duty - pump element - pump end thrust - pump-fed rocket - pump filter - pump flow - pump outputflow - pump for gas transporting - pump for injection of mortar - pump frequency - pumping frequency - pump fuel feed - pump governor - pump gun - pump-handle - pump head - pump house - pump housing - pump injection - pump-injector - pump inlet - pump inlet capability - pump inlet pressure - pump installation - pump intake - pump intake pressure - pump jet propeller - pump jet propulsion system - pump-jet propulsion unit - pump jig - pump kettle - pump leak - pump lift - pump line - pump liner - pump-lubricated - pump lubrication - pump main - pump manifold - pump mechanized - pump mode - pump motor - pump-motor - pump-motor unit - pump noise - pump off - pump open sliding side door - pump out - pump output - pump output flow - pump over - pump performance - pump pipelining - pump piping - pump plunger - pump power end - pump pressure - pump price - pump priming - pump priming characteristic - pump pulsation damper - pump ram - pump rate - pump rating - pump recirculation system - pump riser - pump rod - pump rod joint - pump room - pump runner - pump screen - pump seat - pump seating - pump shaft - pump shell - pump slippage - pump specifications - pump speed - pump speed indicator - pump spindle - pump-starving filter condition - pump station - pump stock reserve - pump strainer - pump stripping - pump stroke counter - pump stroke rate - pump suction - pump suction head - pump suction line - pump suction tube - pump suction-valve cage - pump-system water cooling - pump thrust - pump thrust plate - pump traveling valve cage - pump turbine - pump-type circulation lubrication - pump unit - pump unloading - pump unloading hydraulic circuit - pump up - pump vacuum rating - pump volume - pump volume indicator - pump warm-up line - pump water feed - pumped water feed - pump wheel - pump with external bearing - pump with internal bearing - pump with overhung impeller - pump withdrawal - pump working barrel valve seat - pump works - adsorption pump - adsorption vacuum pump - aeration jet pump- air pump- air-driven pump - air-operated pump - air-operated grouting pump- air pump- ammonia pump - annular casing pump - armored pump - aspirator pump - aspiring pump - axial flow pump - axial flow turbine pump - axially split pump - axial piston pump - axial-piston distribution pump - axial piston pump of the rotary cylinder-type - axial suction pump - backing vacuum pump - barrel insert pump - beam pump - blower pump - boom concrete pump - bore-hole pump - brine-circulating pump - canned pump - canned motor pump - cargo pump - cementing piston pump - centrifugal pump with shrouded impeller - circular casing pump - chain pump - combined vacuum pump - Common-Rail high-pressure pump - condensation pump - condensation return pump - constant discharge pump - constant volume pump - continuous-pressure pump - controlled capacity plunger pump - controlled-volume pump - coolant pump - cooled pump - cooling-water pump - corrosion-resistant water pump - cutter lubricant pump - deep-well pump - differential pump - discharge pump - disintegrating pump - dispensing pump - displacement pump - distributor fuel injection pump - donkey pump - dosing pump - double-acting pump - double-diaphragm pump - double-displacement pump - double-entry pump - double-plunger pump - double-suction pump - double-volute pump - Downton pump - drainline pump - dredge pump - dredging pump - drowned pump - ejector jet pump - electrically driven pump - electrical centrifugal pump - electromagnetic pump - electropneumatic tyre pump - electrosubmersible pump - elevator pump - emergency pump - end suction pump - entrapment pump - epitrochoidal pump - excavating pump - external gear pump - extraction pump - fixed pump - fixed-delivery pump - fixed displacement pump - fixed volume pump - flexible tube pump - flexible tubes for grease pump - flow-type pump - flow-type fuel pump - fluid pump - fluid-packed pump - flywheel pump - force pump - fractionating diffusion pump - fuel booster pump- gas pump- gas jet pump - gear-driven pump - gear-type pump - gear wheel pump - hand desoldering pump with antistatic teflon tip - hand-operated grouting pump - hand-priming pump - hand suction pump for battery liquid - hand vacuum-pressure pump for checking vacuum advance in conjunction and timing light - turbo wastengate control valve and etc. - heat pump - heated pump - helical rotor pump - high duty pump - high-flow pump - high-lift pump - high-low pressure pump - high-pressure pump - high-pressure fuel pump - high-vacuum pump - hot-oil pump - house service pump - impeller pump - in-line pump - in-line fuel injection pump - internal gear pump - internal spur gear pump - irrigating pump - jacketed pump- jet pump- jet vacuum pump - jury pump - kinetic pump - liquid jet pump - liquid-packed ring pump - liquid ring vacuum pump - liquid-sealed vacuum pump - lobular pump - low-lift pump - lubrication pump - main pump - make-up pump - manual pump - manual pump for injector testing - marine pump - mechanical pump - membrane pump - mine pump - monocylindrical fuel injection pump - motor pump - mud pump - multicellular pump - multicylinder pump - multicylinder fuel injection pump - multijet vacuum pump - multiple-piston pump - multiplunger pump - multiscrew pump- oil pump- oil-line pump - oil-refinery pump - oil scavenge pump - oil-sealed vacuum pump - oil suction pump - oil supply pump - oil-vapor vacuum pump - oscillating displacement pump - papermill pump - peripheral pump - peristaltic pump - port the pump - portable pump - positive-displacement pump - positive-displacement fuel pump - power-steering pump - power take-off mounted pump - precharge pump - press pump - pressure test pump - pressurizing pump - prime a pump - PTO-mounted pump - pulse-free pump - pusher pump - radial flow turbine pump - radial piston pump - radially split pump - rapid approach pump - rayon pump - reactor coolant pump - reciprocating pump - reciprocating fuel injection pump - reciprocating vacuum pump - recirculating pump - reciprocation pump - refrigerant pump - regulator pump - reversible pump - reversing pump - roller-cell pump - roller vane pump - roots vacuum pump - rotary pump - rotary air pump - rotary-displacement pump - rotary fuel injection pump - rotary gear pump - rotary lobe pump - rotary piston lobe-type pump - rotary plunger pump - rotary vane-type pump - rotodynamic pump - roughing-down pump - roughing vacuum pump - rough vacuum pump - sand pump - scavenge pump - scavenging pump - scoop pump - screw pump - scrum pump - self-bleeding pump - self-priming pump - self-purifying diffusion pump - semirotary pump - servo pump - service pump - sewage pump - sewage water pump - shallow well pump - side channel pump - side suction pump - simplex pump - single-acting pump - single-acting hand pump - single-acting piston pump - single-cylinder pump - single-stage pump - sinking pump - sliding vane pump - sliding vane rotary pump - slime pump - sludge pump - sluice pump - slush pump - small capacity pump - sorption pump - sorption vacuum pump - spur gear pump - sputter ion pump - stage chamber pump - stand-by pump - start a pump - stationary pump - stationary concrete pump - steam pump - steering pump - stripping pump - sublimation pump - sublimation vacuum pump - submerged pump - submersible pump - subsurface pump - sucking pump - suction pump - suds pump - supercharging pump - supply pump - surge pump - swash-plate pump - swash-plate operated pump - tank pump - tar-and-residuum pump - test pump - thermal pump - three-cylinder pump - three-screw pump - tire pump - truck-mounted concrete pump - torque flow pump - transfer pump - trim pump - triplex pump - triplex plunger pump - trochoid pump - turbine pump - turbine-driven pump - turn on a pump - tyre pump - twin pump - two-cylinder pump - two-screw pump - two-stage pump - two-volume pump - unbalanced pump - unit construction pump - V-type pump - V-type piston pump - vacuum pump - valveless pump - vane pump - vane-type pump - vapor jet pump - variable capacity pump - variable-delivery pump - variable displacement pump - variable speed pump - variable volume pump - vee fuel injection pump - volute pump - water pump - water-jet pump - well pump - wet-air pump - wet motor pump - wet-pit pump - wide-spray fire pump - windmill pump - windshield washer pump - wing pump - work a pump
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