“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	bullet cluster bulletin bulletin board bulletin board system bulletin board system, BBS Bulletin by Temporary President of the Republic of China Bulletin of Environmental Status of China Bulletin of Flood and Drought Disaster in China Bulletin of Geological Science and Technology bulletin of land and household tax collection bulletin of marine disaster Bulletin of The Astronomical Society of India Bulletin of the History of Medicine Bulletin of the Library Association of China Bulletin of the Museums Association of China Bulletin of the Seismological Society of America Bulletin on God-Thanking Opera by Li Wenmao the King of Pacification bulletins Bulletin Signaletique bullet mark bullet nose curve bulletproof and bomb suppression felts and blankets bullet proof car bullet-proof clothing bullet-proof door

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