- bottom spacing ring
- подкладное кольцо (напр. для раздачи отверстия)
English-Russian dictionary of mechanical engineering and automation. - RUSSO. B.S. Voskoboinikov, V.L. Mitrovich. 2003.
English-Russian dictionary of mechanical engineering and automation. - RUSSO. B.S. Voskoboinikov, V.L. Mitrovich. 2003.
O-ring boss seal — An O Ring boss seal is a technique for joining two fluid carrying pipes, hoses or tubing. In an o ring boss (abbreviated ORB) system, a male threaded part is inserted into a female threaded part, providing a mechanical seal. This system differs… … Wikipedia
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tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening … Universalium
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Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… … Wikipedia