综放无煤柱开采沿空掘巷瓦斯涌出规律及防治技术

综放无煤柱开采沿空掘巷瓦斯涌出规律及防治技术的英文翻译

基本释义

• The gas - bursting regulation and its prevention technology in comprehensive caving ron - pillar mining along goaf drivage roadway