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.
论证了采用浅孔留矿法对桓仁矿北岔品位矿
表外矿
合回收
可
性。
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.
论证了采用浅孔留矿法对桓仁矿北岔品位矿
表外矿
合回收
可
性。
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