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уравновешенный игольчатый затвор | |
el. | interior differential needle valve |
hydr. | balanced valve; cylindrically balanced valve |
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interior differential needle valve | |||
balanced valve; cylindrically balanced valve | |||
balanced needle valve |
уравновешенный игольчатый затвор: 2 phrases in 1 subject |
Hydraulic engineering | 2 |