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pipeline valve | |||
conduit valve (门); pipeline valve (门) |
管道阀 : 24 phrases in 10 subjects |
Architecture | 1 |
Electronics | 3 |
Engineering geology | 2 |
General | 3 |
Metallurgy | 1 |
Navigation | 1 |
Oil / petroleum | 4 |
Shipbuilding | 1 |
Technology | 7 |
Water resources | 1 |