The experiment carried uot in the Wulongquan Limestone Mine expresses the determined weight is reasonable and would be used to guide the actual cavity hole-springing explosion.

 
  • 在乌龙泉石灰石矿进行了现场试验,试验所确定的用药量是合理的,可以用来指导实际的爆炸扩腔。
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