Floor Heave Mechanism and Support Technology of Goaf-Side Gateway for Re-mining in Seam with Soft Roof,Soft Coal and Soft Floor
WEI Sheng-li
WANG Jing-long
ZHU Ji-xun
LIU Dong-liang
ZHANG Deng-ming
HE Ming-feng
LI Liang
WANG Bao
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Publication Date：2009-01-01
Pages：4( 9-12 )