“stage room stoping mining method”的概念、定义、翻译、参考文献-科学参考

单词	stage room stoping mining method
释义	stage room stoping mining method Encyclopedia 工学空场采矿法释 stage room stoping mining method阶段矿房采矿法把矿块规则地划分为矿房和矿柱，先用深孔采矿法回采矿房，后用适当方法回采矿柱的空场采矿法。回采过程中，暂留阶段矿房高度的空区，在巷道内进行回采作业，矿石借自重全部溜到矿块底部的阶段出矿巷道集中出矿，作业人员和设备不进入空区。
随便看	Ningshou Temple Pagoda Ning Shufan Ning Wanwo ningwu coalfield Ningwu Gaoshan Hupo Ningwu Guan Ningwu Xian Ningxia Ningxia Academy of Ethnic Art Ningxia Campaign Ningxia carpet Ningxia Daily Press Group Ningxia Hedong Shadi Ningxia Helanshan National Nature Reserve Ningxia Helanshan Nature Reserve Ningxia Hui Ningxia Hui Autonomous Region Institute of Science and Technology Development Strategy and Information Ningxia Hui Autonomous Region Museum Ningxia Hui Autonomous Region Science and Technology Museum Ningxia Huizu Zizhiqu Ningxia Library Ning Xian Ningxiang pig Ningxiang Shi Ningxiang-type iron deposit

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