“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	total run-off total run-out measurement total savings total scattering total scattering cross section Total Score of Revolutionary Modern Peking Opera total semi-additivity total sequence total set total size under construction total sky brightness total-sky imager total social demand total social supply total solar eclipse total solar radiation total space total stability total starlight total station total-station metrology standard total station traverse total step iteration total-step iteration total Stiefel-Whitney class

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