超硬材料复合镀镀底层时应注意的事项为( )。 -题库考试答案搜索网

超硬材料复合镀镀底层时应注意的事项为( )。

单选题

2021-09-01 22:39

A、镀液要加光亮剂、带电入槽、电流密度不宜过大、必须使用冲击电流
B、镀液不加光亮剂、带电入槽、电流密度不宜过大、必须使用冲击电流
C、镀液要加光亮剂、带电入槽、电流密度不宜过大、必要时使用冲击电流
D、镀液不加光亮剂、带电入槽、电流密度不宜过大、必要时使用冲击电流

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正确答案

D

试题解析

标签：青书学堂河南工业大学超硬材料电镀制品

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