| |||
valve hood | |||
body cap; valvebody cap | |||
bonnet | |||
valve bonnet | |||
| |||
bonnet | |||
| |||
bonnet |
阀帽 : 18 phrases in 10 subjects |
Architecture | 1 |
Automobiles | 1 |
Chemistry | 1 |
Nautical | 1 |
Oil / petroleum | 1 |
Oil processing plants | 1 |
Shipbuilding | 1 |
Skydiving | 1 |
Space | 1 |
Technology | 9 |