...复合电沉积 Electrodeposit of the general product 常规性产品电镀层 Black Passivation for Zinc Electrodeposit 镀锌黑色钝化 ..
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镀锌黑色钝化
Galvanized black passivation
以上为机器翻译结果，长、整句建议使用 人工翻译 。
给出了镀锌层银盐黑色钝化的工艺流程及配方，介绍了钝化液中各组分的作用。
The process flow and formulation of silver-salt black passivation of zinc electroplate were presented, and the functions of the different components in passivation solution were introduced.
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