| |||
| 炮孔布置形式; 炮孔布置方式 | |||
| 爆破顺序; 爆破模式; 爆破方式; 爆破布置 | |||
|
blasting pattern : 9 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 7 |
| Technology | 2 |
| |||
| 炮孔布置形式; 炮孔布置方式 | |||
| 爆破顺序; 爆破模式; 爆破方式; 爆破布置 | |||
|
blasting pattern : 9 phrases in 2 subjects |
| Explosives and Explosive Ordnance Disposal | 7 |
| Technology | 2 |