我坑采场矿体赋存条件比较复杂,矿体中老硐分布纵横交错,使用的采矿方法为高分段强制崩落。过去由于缺乏严格的出矿管理,加上耙巷的拉底、落矿工程质量比较差,因而历年来的损失贫化比较大,平均高达25%以上。为了降低损失贫化,坑口党组织亲自抓了 The depositing conditions in the mine pit are complex. The old holes in the orebody are arranged in a crisscross pattern. The mining method used is high-grade forcible caving. In the past, due to the lack of strict management of mine management and the pull-out of rakes and alleyways, the quality of the demolition works was relatively poor. As a result, the losses and depletions of the past years were relatively high, averaging over 25%. In order to reduce the loss of depletion, Hang Hau party organizations personally arrested