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。

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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。

youdao