| |||
| 裂缝间距 | |||
|
split spacing : 5 phrases in 4 subjects |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Technology | 2 |
| |||
| 裂缝间距 | |||
|
split spacing : 5 phrases in 4 subjects |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Technology | 2 |