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| 井网; 布井方式 | |||
| 钻孔布置方式 | |||
| 炮孔布置钻孔排列方式 | |||
| 钻孔排列; 孔模式; 穿孔模式 | |||
| hole pattern: 35 phrases in 8 subjects |
| Drilling | 3 |
| Electronics | 1 |
| Engineering geology | 4 |
| Explosives and Explosive Ordnance Disposal | 12 |
| Mining | 1 |
| Oil / petroleum | 4 |
| Technology | 9 |
| Wind Energy | 1 |
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