| |||
| 炮孔装药量 | |||
| 炮眼装药; 炮孔装药; 炮孔炸药 | |||
|
borehole loading : 6 phrases in 2 subjects |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 5 |
| |||
| 炮孔装药量 | |||
| 炮眼装药; 炮孔装药; 炮孔炸药 | |||
|
borehole loading : 6 phrases in 2 subjects |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 5 |