采煤工作面

• Chose the type and kit of mechanic - electric equipments of coalface
  采煤工作面机电设备的选型与配套
• Study on influence factors of rib fall of coal wall in mining workface
  采煤工作面煤壁片帮影响因素研究
• Application of type built - up roof beam in face of steep coal seam
  型组合顶梁在急倾斜采煤工作面的应用
• The delimiting method of the stope width under high - pressure aquifer
  高承压水上采煤工作面斜长的确定方法
• Application of gas drainage from pressure - released holes in coal face
  卸压钻孔抽放瓦斯在采煤工作面的应用
• Study on pattern and control of gas emission at coal face in china
  中国采煤工作面瓦斯涌出规律及其控制研究
• Pillar mining of rock cross - cut with pseudo - sloping flexible shield
  俯伪斜柔性掩护支架采煤工作面技术管理
• Analysis and ascertainment of people ' s operation reliability at coal face
  采煤工作面人的操作可靠度分析与确定
• Discussion on mining techniques at the local thin seam area of the mining face
  采煤工作面局部薄煤区开采技术探讨
• Research on law of strata pressure behavior in the steep inclined coal face
  大倾角采煤工作面矿山压力显现规律的研究