“downward drift stoping with backfill”的概念、定义、翻译、参考文献-科学参考

单词	downward drift stoping with backfill
释义	downward drift stoping with backfill Encyclopedia 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。
随便看	sequential pattern sequential pattern mining sequential pattern recognition sequential plan sequential polygeneration system sequential polymerization sequential probability ratio test sequential probability ratio test，SPRT sequential processing sequential programmable synthesis sequential programming sequential pull system sequential quadratic programming method sequential quadratic programming (SQP) method sequential queue sequential ratio test sequential resonant tunneling sequential risk function Sequential Samples Method sequential sampling sequential sampling inspection sequential sampling plan sequential sampling test sequential saturation mutagenesis sequential scanning

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