The feasibility of which short-hole shrinkage method is used for mining of low-grade and submarginal ores in Huanren Mine is demonstrated in this paper.
论证了采用
矿法对桓仁矿北岔区的低品位矿
表外矿进行综合回收的可行性。
下的,收益标准下的The feasibility of which short-hole shrinkage method is used for mining of low-grade and submarginal ores in Huanren Mine is demonstrated in this paper.
论证了采用矿法对桓仁矿北岔区的低品位矿表外矿进行综合回收的可行性。
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