 |
| |||
| 震源机制 | |||
|
source mechanism : 8 phrases in 3 subjects |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 5 |
|
| |||
| 震源机制 | |||
|
source mechanism : 8 phrases in 3 subjects |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Technology | 5 |