“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	Association of Oil Pipelines Association of Online Publishers Association of Police Training Institutions in Asia Association of Records Manager and Administrator Association of Research Libraries Association of Shipping Across Taiwan Straits association of Southeast Asian Nations Association of Summer Olympic International Federations Association of Teaching Chinese as a Second Language Association of Tennis Professionals Association of the IOC Recognised International Sports Federations Association of the Seven Government-appointed Suppliers for Primary and Secondary School Textbooks Association of Translation and Publication Association of Universities for Research in Astronomy Association of University Presses Association Province Autonomous Movement association reaction association rule association rule mining association rules association rules mining Associations association scheme Associations Group association study

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