单词 pregnant solution
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释义
[矿业] 含贵重矿物溶液
时间: 2026-10-17 17:16:04
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1·When gold is recovered from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation, the effect is disappointing.
从含高铜、铅、锌贵液中直接用锌粉置换回收金,效果差。