厚煤层分层开采与综放开采瓦斯涌出量对比分析

厚煤层分层开采与综放开采瓦斯涌出量对比分析的英文翻译

基本释义

• DISCUSSION OF THICK COAL SEAM DELAMINATING MINE AND COAL CAVING OF THE FULLY-MECHANIZED OF GAS EFFUSION