Measurement of effective gas extraction radius for mechanical hole drilling in coal seams of Xinyuan Coal Mine
JING Xiang-ming
XU Hui-gang
OU Jian-chun
Keywords：mechanical holeresidual flow methodinitial flow methodeffective extraction radius
Publication Date：2023-06-28
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 89-92,97 )