 |
| 油开关: 114 phrases in 19 subjects |
| Architecture | 1 |
| Automobiles | 38 |
| Aviation | 7 |
| Compressors | 2 |
| Construction | 2 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Electricity | 1 |
| Electronics | 5 |
| General | 1 |
| Hydroelectric power stations | 2 |
| Mechanics | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 4 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Space | 2 |
| Technology | 41 |
| Wind Energy | 1 |