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self-closing valve | |||
self closing valve | |||
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self-closing valve |
自闭阀 : 23 phrases in 11 subjects |
Architecture | 1 |
Automobiles | 1 |
Drilling | 2 |
Hydroelectric power stations | 1 |
Oil / petroleum | 3 |
Rail transport | 2 |
Refrigeration | 2 |
Shipbuilding | 4 |
Technology | 5 |
Water polo | 1 |
Wind Energy | 1 |