... High pure copper 电感耦合等离子体原子发射光谱 high-copper 高铜 High Quality Copper 优质铜材 ...
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是什么在推高铜和其他基本金属的价格？
What is pushing up the price of copper and other base metals?
从含高铜、铅、锌贵液中直接用锌粉置换回收金，效果差。
When gold is recovered from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation, the effect is disappointing.
高铜饲料在畜牧生产中使用普遍，但不合理的饲用给畜牧生产带来了不利影响。
High dietary copper has been commonly used in livestock production, but inappropriate using leads to adverse influence.
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