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1 балочная ферма с параллельными поясами
Construction: parallel girder, parallel-chord truss, parallel-flanged girderУниверсальный русско-английский словарь > балочная ферма с параллельными поясами
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Rail profile — Rail from 1896 Cross sections of flat bottomed which can rest directly … Wikipedia
Crane (machine) — A modern crawler type derrick crane with outriggers. The latticed boom is fitted with a jib. A crane is a type of machine, generally equipped with a hoist, wire ropes or chains, and sheaves, that can be used both to lift and lower material … Wikipedia
Rail tracks — are used on railways (or railroads), which, together with railroad switches (or points), guide trains without the need for steering. Tracks consist of two parallel steel rails, which are laid upon sleepers (or cross ties) that are embedded in… … Wikipedia