回采工作面

• Control method and practice of gas accumulation in aworking face
  回采工作面瓦斯积聚的治理方法与实践
• Causes of large area roof - fall in working face and its prevention and control
  回采工作面大型冒顶的原因及防治
• Accident reason and prevention of the partial foof falling at actual mining face
  回采工作面局部冒顶的原因及防治
• A simple analysis of decompression ventilation in working face of dabagou mine
  大巴沟井回采工作面采用泄压通风初探
• Discussion on regular relay of stope faces in coal mines with coal and gas outburst
  谈煤与瓦斯突出矿井回采工作面的正常接替
• Comprehensive gas control for high gassy fully mechanized top coal caving mining face
  高瓦斯综采放顶煤回采工作面瓦斯综合治理
• The method of gas suction in the roadway to solve disallowed gas concentration in stope face
  采用高抽巷解决回采工作面瓦斯超限
• Application of gas drainage technology in working face roof of zhengzhou mining area
  回采工作面顶板瓦斯抽放技术在郑州矿区的应用
• Relative location set in gas drainage gateway along strike roof of longwall mining face
  回采工作面走向顶板瓦斯抽放巷相对位置确定
• Probing into the stoping face methane prevention and control in difficult - to - drain coal - beds
  难抽放煤层回采工作面瓦斯防治技术探讨