“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	connex connexin connexion connexion and development thought connexity connexon connivent connotation Connotation of Du Fu's Poetry by Zhao Kui connotation of socialism with Chinese characteristics for a new era connotative definition connote connotive Conoco Phillips conode conodont alteration index conodont animal conodont apparatus conodonts co-Noetherian ring conoid conoidal conoidal neighborhood conoid of dependence conoid solid

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