空气阀 : 209 phrases in 19 subjects |
Architecture | 1 |
Automobiles | 92 |
Aviation | 11 |
Chemistry | 1 |
Compressors | 2 |
Drilling | 2 |
Electronics | 5 |
General | 1 |
Hydroelectric power stations | 3 |
Laboratory equipment | 1 |
Metallurgy | 8 |
Navigation | 1 |
Oil / petroleum | 2 |
Pest control | 1 |
Rail transport | 6 |
Refrigeration | 6 |
Shipbuilding | 19 |
Space | 1 |
Technology | 46 |