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Terms for subject Explosives and Explosive Ordnance Disposal containing down-the-hole | all forms | exact matches only | in specified order only
| English | Chinese |
| down the hole hammer | 潜孔钻冲击器 |
| down-the-hole bulk loading equipment | 潜孔炸药散装设备 |
| down-the-hole drill | 潜孔钻机以冲击器潜人孔内直接冲击钻头破岩的钻孔机械。它的特点是钻杆传递冲击能的过程没有能量损失,钻孔深度对钻速的影响小，工作噪声低 |
| down-the-hole drilling | 潜孔凿岩冲击机构潜人炮孔内部的凿岩方法。回转机构的扭矩通过钻杆使冲击器和钻头转动。岩渣靠冲击器的废气排出孔 |
| down-the-hole hammer | 潜孔钻机以冲击器潜人孔内直接冲击钻头破岩的钻孔机械。它的特点是钻杆传递冲击能的过程没有能量损失,钻孔深度对钻速的影响小，工作噪声低 |
| second path for down-the-hole initiation | 二次孔内起爆路径 |