Through the research of high gas and multi-water-bursting hazards prevention techniques in Jiaozuo coal mine regions, the mining coal method of caving working face is found.

 
  • 通過(guò)對焦作礦區高瓦斯多水害防治技術(shù)研究,找出適合該條件下的炮采放頂煤模式的采煤方法。
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