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pilot operated | |
hydroel.st. | 先导式 |
check valve | |
hydroel.st. | 止回阀; 逆止阀 |
pest.contr. | 单向阀 |
space | 单向 阀; 检验阀 |
tech. | 不回流阀 |
check-valve | |
scub. | 逆流防止阀 |
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远距离操纵的; 随动操纵 | |||
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先导式 |
pilot-operated check valve : 29 phrases in 10 subjects |
Automobiles | 6 |
Aviation | 1 |
Compressors | 1 |
Hydroelectric power stations | 4 |
Metallurgy | 1 |
Nuclear and fusion power | 1 |
Oil / petroleum | 1 |
Refrigeration | 1 |
Technology | 11 |
Textile industry | 2 |