美[zin plet]英[zin pleit]
[电] 锌片
The results show that the double zine dip process does not need cyanide copper plating for bottom plate ;
结果表明,以二次浸 锌法进行预处理,无需氰化镀铜 打底;
美[zin plet]英[zin pleit]
[电] 锌片