![]() |
| |||
valve cap | |||
valve dish | |||
valve disc; valve disk | |||
valve flap | |||
| |||
valve disk |
阀盘 : 75 phrases in 14 subjects |
Automobiles | 13 |
Aviation | 1 |
Chemistry | 3 |
Compressors | 3 |
Drilling | 2 |
Electronics | 2 |
Engineering geology | 3 |
General | 2 |
Hydroelectric power stations | 3 |
Metallurgy | 5 |
Oil / petroleum | 14 |
Plastics | 1 |
Refrigeration | 1 |
Technology | 22 |