 |
| 压实度: 50 phrases in 15 subjects |
| Agriculture | 1 |
| Architecture | 1 |
| Aviation | 1 |
| Bridge construction | 6 |
| Desert science | 1 |
| Engineering geology | 6 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Geology | 2 |
| Geophysics | 1 |
| Hydroelectric power stations | 4 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Rail transport | 1 |
| Technology | 21 |