“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	Maurice Le Noblet Duplessis Maurice Loyal Huggins Maurice Maeterlinck Maurice Merleau-Ponty Maurice Renaud Maurice-René Fréchet Maurice Utrillo Mauricio Kagel Mauricio Kartún Mauritania Mauritanian Mauritanian People's Party Mauritian English Literature Mauritian Militant Movement Mauritian sardinella Mauritian Social Democratic Party Mauritius Mauritius Labour Party Mauritshuis Mauritz Stiller Maurizio Cattelan Maurizio Pollini Maurolico Maurolycus Maurya Dynasty

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