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文章介绍了七五矿３３１２ 西工作面在断层、岩墙的复杂条件下， 利用布置曲线停采线、曲线开切眼和倾向短壁开采等途径提高回采率的做法。
This paper introduces the practice of increasing the recovery rate through the ways of arranging the cut-off lines, opening the curvilinear cut and leaning towards the short-cut wall under the complicated conditions of fault and rock wall in the 3312 West face of Qimshang Iron Mine.