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下向进路充填法
释义
下向进路充填法
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工学
上向分层充填采矿法
释
downward drift stoping with backfill
下向进路充填法
将矿块沿竖直方向划分为若干分层,由上而下逐层以巷道进路的方式进行回采并充填的采矿方法。
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更新时间:2025/9/1 13:13:06