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全工作面钻孔
指通过全工作面钻机对工作面进行机械钻孔崩落的过程,其进程主要由岩石的硬度、延伸方向和节理接缝数所控制,当处理较软岩石时掘进速度最大可达 6m/h。用该种方法钻进的直径目前最大可以达到 20m
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