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| 冲击钻岩; 冲击钻进; 冲击钻孔 | |||
| 冲击钻探〔孔〕 | |||
| 冲击钻井 | |||
| 冲击凿岩; 衝擊鑽探 | |||
| 冲击钻进钻头在一定装置作用下,利用钻具自重，在一定冲程高度内，周期性地对孔底进行冲击，以破碎岩石的钻进; 冲击凿岩用冲击破碎岩石的方法在岩石上钻凿出炮孔的技术 | |||
| 冲击钻探; 冲击式凿岩; 冲击钻 | |||
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percussion drilling : 31 phrases in 4 subjects |
| Engineering geology | 12 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Oil / petroleum | 4 |
| Technology | 14 |
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