“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	Ye Qiaobo Ye Qisun Ye Qizhen yerbadetajo herb Yerkes classification Yerkes classification system Yerkes-Dodson Law Yerkes Observatory Yerkes refractor Yerks-Dodson Theory Yersinia enterocolitica Yersinia enterocolitica infection Yersinia pseudotuberculosis infection Yesan Po Yesanpo Scenic and Historic Area Yesenia Yeshan Dao Yeshan Heritage Park in Fuzhou Ye Shaolan Yeshao Series Ye Shaoweng Ye Shaoyuan Ye Sheng Ye Shenglan Ye Shengtao

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