采煤

• Capability test and analysis of mgys180 460 - wd coal cutter
  型采煤机性能试验及分析
• Mining practice of working face going through fault zone
  综采工作面过断层采煤实践
• Study of end - slope coal mining and its system layout
  端帮采煤方法及系统布置的研究
• Characteristics and development of thin seam shearers
  薄煤层采煤机的技术特点及研制
• The best choice of mining method in sihe mine
  寺河矿井安全高效采煤方法的选择与分析
• Establishment contents of mining coal work regulation
  采煤作业规程的编制内容
• Test specification for hydraulic components used in shearer
  采煤机液压元件试验规范
• Prevention and cure of water bursting in mining face floor
  采煤工作面底板涌水的防治
• Cable protected clamp for shearer - type and dimension
  采煤机用电缆夹板.型式和基本尺寸
• Mg250 630 - qwd coal winning shearer failure diagnosis treatment
  型采煤机故障诊断方法