气压试验: 57 phrases in 15 subjects |
Aviation | 3 |
Chemistry | 3 |
Compressors | 6 |
Electronics | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Hydroelectric power stations | 1 |
Military | 1 |
Nautical | 4 |
Oil / petroleum | 4 |
Plastics | 2 |
Refrigeration | 1 |
Shipbuilding | 8 |
Space | 6 |
Technology | 15 |