low-grade manganese-silver ore
low-grade manganese-silver ore
低品位锰银矿
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The traditional gold and silver leaching method from the low grade iron-manganese gold silver ore didn't work out because gold and silver were encapsulated by iron, manganese and other minerals.
低品位铁锰型金银矿由于金银被铁锰等矿物包裹，传统浸金银的方法无法达到目的。
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