Research on permeability characteristics of depressured protective layer in close-distance seam group
JI Wen-bo
QI Qing-xin
LI Hong-yan
LIU Zhao-yuan
ZHANG Lang
CHENG Zhi-heng
LIU Xiao-gang
Keywords：close-distance seam groupdepressured coal layerpermeability ratiogas drainage
Publication Date：2015-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)