copper electrolytic refining
copper electrolytic refining
铜电解精炼
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 electrolytic copper with smooth surface and high purity can be achieved through adding a slight amount of addition agent in the copper electrolysis refining process.
在电解精 炼铜过程中添加微量的该添加剂以获得表面平整光滑、纯度高的电解铜。
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