The pressure distribution law acting on man-made concrete bottom post under loading thefilling material is a subject to be sdudied in steeply inclined thin vein mining using dry filling method.

 
  • 急倾斜极薄矿脉干式充填采矿法中,充填料对人工混凝土底柱的压力规律是一个需进一步研究的问题。
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