mass-caving mining method [矿业] 大量崩矿采矿法
block caving mining method 自然崩落采矿法
natural caving mining method 自然崩落法
orced black caving mining method 段强制崩落法
full-mechanized caving mining method 综采放顶煤
initial sublevel caving mining method 低分段崩落法
spontaneous block caving mining method 阶段自然崩落采矿法
caving method mining 崩落法采矿
block caving coal mining method [矿业] 大块崩落采煤法
Analyses factors that affect cover caving ability of roof coal in sublevel caving mining method.
分析了放顶煤开采顶煤冒放性的影响因素。
Whether the sill-free sublevel caving mining method is suitable to break and broken orebody has been being discussed for a long time.
无底柱分段崩落采矿法是否适用于松软破碎矿体，一直是采矿界争论的焦点。
According to the theory and method of particle flow code in two dimensions (PFC2D), the block caving law of natural caving mining method was investigated.
以自然崩落采矿法为研究对象，利用二维颗粒流数值模拟(PFC2D)的原理和方法，研究了自然崩落法矿体崩落规律。
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