在低氰镀液中含量太高则电流效率下降，甚至其成海绵状镀层。

In the low cyanide solution content is too high, the current efficiency drops, and even has cavernous coating.

youdao

在低氰镀液中含量太高则电流效率下降，甚至其成海绵状镀层。

In the low cyanide solution content is too high, the current efficiency drops, and even has cavernous coating.

youdao