防止瓦斯超限和煤层自燃合理选择特定条件下采煤工作面倾斜长度

防止瓦斯超限和煤层自燃合理选择特定条件下采煤工作面倾斜长度的英文翻译

基本释义

• Selecting Incline Length of Coal Face Reasonably under Special Conditions to Prevent Gas Passing the Limit Concentration and Coal Seam Spontaneous Combustion