blasthole
| collar
| blasthole | |
| gen. | 爆破孔; 炮眼; 口即筒下; 进水口; 鼓风口 |
| collar | |
| construct. | 柱环 |
| forestr. | 根颈 |
| IMF. | 两头封; 上下限 |
| roll. | 辊环; 辊脊; 迷宫圈; 缠辊; 缠住 卷筒 |
| weld. | 冒口 |
| |||
| 爆破孔; 炮眼; 口即筒下; 进水口; 鼓风口 | |||
| 炮孔 | |||
|
blasthole : 55 phrases in 8 subjects |
| Earth sciences | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 44 |
| Geophysics | 1 |
| Hydroelectric power stations | 1 |
| Mineralogy | 1 |
| Mining | 5 |
| Technology | 1 |