“留矿采矿法”的概念、定义、翻译、参考文献-科学参考

单词	留矿采矿法
释义	留矿采矿法 Encyclopedia 工学房柱采矿法释 shrinkage stoping mining method留矿采矿法将矿块划分为矿房、矿柱，先采矿房，后采矿柱，自下而上分层回采，每次采下矿石靠自重放出三分之一左右，剩余矿石留在矿房内作为继续上采的工作平台；矿房全部采完后，再将留在矿房中的矿石再进行大量放矿的一种采矿方法。由于随回采工作的推进，矿房以敞空形式存在，靠围岩的稳固性和矿柱来维护顶板稳定，因此属于空场采矿法的一种。
随便看	Beijing Forbidden City Film Co. Beijing Foreign Studies University Beijing Forestry Machinery Research Institute of State Forestry and Grassland Administration Beijing Fringe Festival Beijing Galloping Horse Media Co.,Ltd. Beijing General Research Institute of Mining and Metallurgy Beijing Geodetic Coordinate System 1954 Beijing Global Village Environmental Education Center Beijing Government's struggle to abolish unequal treaties Beijing Granary Beijing green belt Beijing-Guangzhou High Speed Railway Beijing Gymnasium Beijing-Hankou Railway Beijing-HongKong High-speed Railway Shiziyang Tunnel Beijing Hotel Beijing Hualubaina Film&Tv Co.,Ltd. Beijing Imperial Ancestral Shrine Beijing Industrial Design Center Beijing Inside-Out Art Museum Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation Beijing Institute of Nanoenergy and Nanosystems，Chinese Academy of Sciences Beijing Institute of Science and Technology Information Beijing Institute of Technology Beijing Institute of Technology Library

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