| |||
阀盒 | |||
阀组 | |||
给油阀组; 给水阀组; 控制部件; 阀组箱; 阀体; 阀锁 |
valve block : 31 phrases in 11 subjects |
Automobiles | 2 |
Aviation | 1 |
Compressors | 2 |
Drilling | 4 |
Electronics | 1 |
Hydroelectric power stations | 2 |
Mechanics | 1 |
Nautical | 2 |
Oil / petroleum | 3 |
Plastics | 2 |
Technology | 11 |