 |
| |||
| 典型剖面 | |||
| 典型纵剖面 | |||
| typical profile: 2 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
|
| |||
| 典型剖面 | |||
| 典型纵剖面 | |||
| typical profile: 2 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |