 |
| |||
| 打眼放炮; 凿岩爆破 | |||
| 打孔放炮 | |||
| 钻孔爆破 | |||
| |||
| 钻孔爆破采用炮孔装填炸药破碎介质的方法 | |||
| drilling and blasting: 25 phrases in 6 subjects |
| Electronics | 2 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 5 |
| Rail transport | 2 |
| Shipbuilding | 1 |
| Technology | 13 |
|
| |||
| 打眼放炮; 凿岩爆破 | |||
| 打孔放炮 | |||
| 钻孔爆破 | |||
| |||
| 钻孔爆破采用炮孔装填炸药破碎介质的方法 | |||
| drilling and blasting: 25 phrases in 6 subjects |
| Electronics | 2 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 5 |
| Rail transport | 2 |
| Shipbuilding | 1 |
| Technology | 13 |