回采

• Study on technology of winning remainder ore outer mining boundary
  帮外残矿回采技术研究
• Study of the best pillar stoping of tongguanshan copper mine
  铜官山铜矿矿柱优化回采研究
• Study on floor heave course of extraction opening
  回采巷道底臌过程研究
• Study on gold reservation resources mining
  黄金后备资源安全回采的研究
• Pillar drawing in room - and - pillar mining at jinshan gold mine
  金山金矿房柱法开采的矿柱回采
• The method of cutting off the shaft spares and common problem
  底板回采掘进应注意的几个问题
• Application of rock bolting in district affected by mining
  锚杆支护在回采动压影响区域的应用
• On the management of strengthening the roof of working face
  浅谈如何加强回采工作面顶板的管理
• Stability analysis of the mining roadways with bolt supporting
  锚杆支护在回采巷道中稳定性分析
• How to conduct the water detection and water release on the stopes
  如何进行回采工作面的探放水