Technological and economical analyses show that the breast stoping with roof bolting is more reasonable than others.
通过多种采矿方法的技术经济分析，认为采用锚杆护顶的全面采矿法较为合理。
Technological and economical analyses show that the breast stoping with roof bolting is more reasonable than others.
通过多种采矿方法的技术经济分析，认为采用锚杆护顶的全面采矿法较为合理。
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