| |||
emergency closing valve | |||
emergency valve | |||
emergency closing valve (门); stand-by valve (门) | |||
| |||
emergency valve |
应急 阀 : 23 phrases in 8 subjects |
Automobiles | 3 |
Aviation | 4 |
Electronics | 1 |
Nautical | 2 |
Navigation | 3 |
Oil / petroleum | 4 |
Space | 2 |
Technology | 4 |