火法精炼铜
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fire refining of copper 铜火法精炼
fire copper refining plant 火法精炼铜车间
copper by fire-refining 铜火法精炼
fire-refining copper
铜火法精炼
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This paper introduces the general situation of Waste Copper polluted by lead and the current domestic method for clearing out lead from Waste Copper by Fire-refining.
本文在介绍了杂铜含铅概况，以及目前国内除铅工艺现状。
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