采用无刻蚀低温镀铁技术，研究电流密度对铁镀层主要性能的影响。
The effects of current density on the main properties of iron coating were investigated by using low-temperature iron plating technology without pre-etching.
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。
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。
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.
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