Feasibility study on 3# coal seam mining above hollow in Haitian coal mine

Home>Articles>Feasibility study on 3# coal seam mining above hollow in Haitian coal mine

LIU Xu-feng

XIONG Zu-qiang

Keywords：multiple seammining above hollow"three-zone" methodfeasibility

Publication Date：2016-01-01

Pages：4( 57-60 )

PKUISTIC

ISSN：1671-0959

Year, Vol.(Issue)：2016,48(8)