At present, borehole explosion and borehole wedging methods are widely used in mining rock materials and cutting block raw rock in middle and small rock material quarry in China.

 
  • 目前國內中小型石材礦山大多采用鉆孔爆破法和鉆孔打楔法進(jìn)行石材開(kāi)采和大塊料石分割。
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