 |
| 气阀: 1214 phrases in 43 subjects |
| Agriculture | 3 |
| Architecture | 16 |
| Automobiles | 258 |
| Aviation | 55 |
| Business | 1 |
| Chemistry | 6 |
| Compressors | 61 |
| Computer numerical control | 1 |
| Construction | 5 |
| Drilling | 12 |
| Earth sciences | 2 |
| Ecology | 2 |
| Electric machinery | 4 |
| Electronics | 26 |
| General | 19 |
| Hydroelectric power stations | 21 |
| Industry | 1 |
| Laboratory equipment | 2 |
| Mechanic engineering | 7 |
| Mechanics | 7 |
| Metallurgy | 85 |
| Mining | 1 |
| Nautical | 20 |
| Navigation | 1 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 50 |
| Oil processing plants | 6 |
| Pest control | 2 |
| Plastics | 2 |
| Racing and motorsport | 2 |
| Rail transport | 21 |
| Refrigeration | 30 |
| Shipbuilding | 43 |
| Shooting sport | 1 |
| Solar power | 3 |
| Space | 34 |
| Steel production | 5 |
| Submarines | 4 |
| Technology | 383 |
| Telecommunications | 3 |
| Transport | 2 |
| Water resources | 1 |
| Wind Energy | 5 |