“open stope mining method”的概念、定义、翻译、参考文献-科学参考

单词	open stope mining method
释义	open stope mining method Encyclopedia 工学空场采矿法释 open stope mining method空场采矿法在回采过程中将矿块划分为矿房和矿柱，分两步骤回采，在回采矿房过程中采场以敞空方式存在，主要靠矿岩本身强度和矿柱支撑能力维护采场稳定性的采矿方法。又称自然支护采矿法。
随便看	New Politics of Late Qing Dynasty New Poor Law New Population Theory New Principle of Population new printed form new product development management new production capacity new product sales new protein resources New Providence Island new psychoactive substances New Psychological Literature new public administration new public administration theory new public management theory new public management（NPM）paradigm new public service theory new realism novel new realist evaluation new received pronunciation in the Republic of China New Record of a Drunken Man's Talk New Records of Jade Illumination new regional division of labor new regionalism New Rhenish Newspaper

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