“spontaneous caving method”的概念、定义、翻译、参考文献-科学参考

单词	spontaneous caving method
释义	spontaneous caving method Encyclopedia 工学阶段崩落采矿法释 spontaneous caving method自然崩落采矿法在位于阶段水平矿块的底部开展大面积的拉底，在侧部用巷道和深孔爆破切帮后，矿石在阶段的整个高度上借自重与地压作用逐渐使矿石自然崩落并破碎成适当块度的采矿方法。
随便看	West Lake of Hangzhou Scenic and Historic Area West Lake of Huizhou Scenic and Historic Area West Lake on July 15th Westland National Park West Liang West Liaohe Plain Westliche Taoismus-Bibliographie west longitude Westminster Westminster Abbey Westminster Statute West Mountains of Guiping Scenic and Historic Area West Nile fever West Nile virus West of the Tracks Weston Naef Weston scale Weston speed westphalian system west point West Sayan Mountains West Side National Park West Side Story West Taiwan Strait urban agglomeration West Texas Intermediate（Crude Oil）

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