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.

 
  • 急傾斜極薄礦脈干式充填采礦法中,充填料對人工混凝土底柱的壓力規律是一個(gè)需進(jìn)一步研究的問(wèn)題。
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