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.
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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