| |||
valve petticoat | |||
valve bush; valve liner | |||
valve bushing |
阀衬 : 34 phrases in 10 subjects |
Business | 1 |
Compressors | 5 |
Computer numerical control | 1 |
Electronics | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 2 |
Oil / petroleum | 2 |
Plastics | 1 |
Shipbuilding | 1 |
Technology | 18 |