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介绍了栾木厂金矿削壁充填采矿法底柱回采的人工假底构筑方法，确定了底柱回采的盈亏平衡品位。矿山实践证明，取得了较好的经济效益。
The construction method of artificial false floor at the bottom of the Luanmuchang gold mining area with bottom wall filling mining method was introduced and the breakeven grade of bottom pillar recovery was determined. Practice shows that the mine has achieved good economic returns.