The upward horizontal cut and fill stoping method and the measures for safe mining are recommended.
推荐使用机械化上向水平分层充填采矿法，提出了安全回采措施。
Excellent results were obtained in mining of pillars using tailings in horizontal cut-and-fill.
用尾砂分层充填法回采矿柱，取得了很好的经济效果。
Excellent results were obtained in mining of pillars using tailings in horizontal cut-and-fill.
用尾砂分层充填法回采矿柱，取得了很好的经济效果。
应用推荐