High quality gas channel and its construction method applied to coal and gas simultaneous extraction in deep mining
MA Nian-jie
LI Ji
ZHAO Xi-dong
ZHAO Zhi-qiang
LIU Hong-tao
JIA Hou-sheng
Keywords：coal and gas simultaneous extractionhigh quality gas channeldrillholebutterfly plastic zone
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)