... 黑白反转法（用于石版）relief and polishing method 黑白逆转版reverse etching 黑白软片black-and-white film ...
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reverse etching of oxide 氧化物反向腐蚀
reverse electro-etching 反电刻蚀
reverse etching
反向蚀刻
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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