The porosity of tinplate can be reduced by increasing the electricity of passivation, improving the current density of passivation in particular.
通过适当提高钝化电量，尤其是提高钝化电流密度，也可以降低镀锡板孔隙率。
The porosity of tinplate can be reduced by increasing the electricity of passivation, improving the current density of passivation in particular.
通过适当提高钝化电量，尤其是提高钝化电流密度，也可以降低镀锡板孔隙率。
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