Because gilded parts are deplated with difficulty and high cost, replating treatment is particularly important for substandard parts.

由于镀金件的退镀困难，加上高的镀金成本，所以对不良镀金件的返镀处理显得特别重要。

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The importance of surface cleaning before replating, reverse electro-etching (anodic treatment) as well as low-voltage and small-current plating, and some problems needing attention were emphasized.

介绍了在已有铬层上补镀硬铬的方法，强调了补镀前表面净洁、反电刻蚀(阳极处理)、低电压小电流起镀等工艺的重要性及应注意的问题。

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