nickel sulphide lean ore 硫化镍贫矿
borasca lean ore 基本上无矿石或品位低的矿段或矿山
tin-lean ore 贫锡矿石
lean ore year 歉收年
Ni lean ore 镍贫矿
lean ore wool 病态羊毛
Solution mining is a available method to extract gold from lean ore, relic, waste dumps and tailings.
溶浸采矿是从贫矿、残矿、废石堆、尾矿中提取金的一种行之有效的方法。
Description is made of the development and utilization of Ni lean ore resource and mine production in Jinchuan Mine.
金川公司龙首矿西采区贫矿开采研究，关系到贫矿开采能否可行，是金川做大做强的关键之一。
This paper introduced the experiments on the large grain size and high heap gold leaching of stripped lean ore from open pit mining of gaolong co.
介绍了高龙公司利用露采剥离贫矿进行大粒度、大堆高的堆浸提金试验。
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