 |
| 风 钻: 108 phrases in 17 subjects |
| Architecture | 5 |
| Automobiles | 1 |
| Biology | 6 |
| Compressors | 1 |
| Desert science | 1 |
| Drilling | 1 |
| Electronics | 1 |
| Engineering geology | 7 |
| General | 2 |
| Hydroelectric power stations | 2 |
| Latin | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 9 |
| Project management | 1 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Technology | 66 |