blasthole stopping method
...学学报（自然科学版、英文版） 关键字: 阶段矿房法; 爆力运搬; 爆破力; 凿岩上山[gap=842]Key words: blasthole stopping method; ore movement by blasting power; biasting power; drilling slope heading..
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[矿业]
block chambering method
... 阶段高度 mining level height 阶段矿房法 block chambering method 阶段眉线 edge of bank ...
基于6个网页-相关网页
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stage room mining method
- 引用次数：2
Therefore Houhemushan Mountain oredody doesn't apply to sublevel boring stage room mining method which is designed previously.
因此,不适宜采用后和睦山矿体原设计的分段凿岩阶段矿房法开采。
参考来源 - 后和睦山矿体采矿方法实验研究
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block chambering method
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