排气 管 : 186 phrases in 21 subjects |
Astronautics | 2 |
Automobiles | 5 |
Aviation | 6 |
Chemistry | 1 |
Construction | 2 |
Drilling | 1 |
Electronics | 11 |
Firefighting and fire-control systems | 1 |
General | 65 |
Jet engines | 6 |
Medical | 1 |
Military | 3 |
Nautical | 3 |
Oil / petroleum | 2 |
Oil and gas | 2 |
Oil processing plants | 3 |
Oilfields | 2 |
Rail transport | 1 |
Shipbuilding | 1 |
Technology | 67 |
Thermal engineering | 1 |