 |
| |||
| ★ 掘进方法 | |||
|
tunneling methods : 59 phrases in 9 subjects |
| Business | 1 |
| Engineering geology | 3 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydroelectric power stations | 3 |
| Hydrology | 3 |
| Metallurgy | 2 |
| Rail transport | 6 |
| Road construction | 8 |
| Technology | 31 |
|
| |||
| ★ 掘进方法 | |||
|
tunneling methods : 59 phrases in 9 subjects |
| Business | 1 |
| Engineering geology | 3 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Hydroelectric power stations | 3 |
| Hydrology | 3 |
| Metallurgy | 2 |
| Rail transport | 6 |
| Road construction | 8 |
| Technology | 31 |