“电积”的拼音为：diàn jī...

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研究通过氯气浸出 - 净化 - 不溶阳极电积法生产电镍的工艺过程.The process of chlorine leaching - purification - electrowinning for nickel extractioncopper residue is investigated.采用浸出 - 萃取 - 电积工艺,可生产高质量的1号阴极铜.The high quality No.1 negative pole copp...