弓长岭铁矿高落差端部矿体安全开采技术研究

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任凤玉, 宋德林, 李海英, 宫国慧

Safety Mining Technology for the Large Drop Orebody at the End of Collapse Pit in Gongchangling Iron Mine

REN Feng-Yu, SONG De-Lin, LI Hai-Ying, GONG Guo-Hui

金属矿山 . 2014, (10): 1 -4 .