“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	specific labelling specific language development disorder specific learning disorders specific loss specific magnetic rotation specific manifold specific marine data buoy specific mass specific meaning specific modifier specific moment Specific path specific pathogen free animal，SPF animal specific pathogen free (SPF) shrimp larva specific pathogen resistant shrimp larva Specific Pathology and Therapeutics of Domestic Animals specific phase specific phobia specific pore volume specific power specific practice Specific predators of tetranychid mites specific pressure specific projection system specific project urban design

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