“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	equidigital number equidimension equidimensional equidimensional ideal equidimensionality equidimensionality condition equidimensionality theorem equidimensional submodule equidirection line equidistance equidistance motion equidistance of layers equidistance postulate equidistant equidistant curve equidistant hypersurface equidistant lines equidistant net equidistant projection equidistant surface equidistant system equidistant triangle equidistributed equidistributed sequence equidistribution

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