铅是金精矿中常见的有色金属元素。
The lead is a common non-ferrous metal element in the gold concentrate.
贵金属矿砂及其精矿。
银精矿中银的提取率达到95%以上，各种有价金属得到了很好的浸出。
The metal extraction rate of silver is over 95%. Every valuable metal were leached very we...
银精矿中银的提取率达到95%以上，各种有价金属得到了很好的浸出。
The metal extraction rate of silver is over 95%. Every valuable metal were leached very we...
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