 |
| 孔壁: 168 phrases in 23 subjects |
| Agriculture | 4 |
| Architecture | 2 |
| Aviation | 4 |
| Bridge construction | 1 |
| Compressors | 3 |
| Drilling | 3 |
| Earth sciences | 2 |
| Electronics | 1 |
| Engineering geology | 10 |
| Forestry | 2 |
| General | 1 |
| Geophysics | 6 |
| Hydroelectric power stations | 1 |
| Latin | 3 |
| Metallurgy | 8 |
| Nautical | 1 |
| Oil / petroleum | 11 |
| Plastics | 4 |
| Rail transport | 1 |
| Refrigeration | 2 |
| Space | 2 |
| Technology | 91 |
| Wind Energy | 5 |