近距离煤层群保护层开采底板卸压瓦斯抽采技术研究
李海涛 浦仕江
Research on the Technology of Gas Drainage by Pressure Relief in the Mining Floor of the Protective Layer of the Close Seam Group
煤炭工程 . 2020, (7): 78 -82 .  DOI: 10.11799/ce202007018