2025-01-07 12:54 浏览次数 2
镀锌
Blue-bright passivation with trivalent chromium solution for zincate plating
锌酸盐镀锌层的三价铬蓝色钝化
Trivalent chromium passivation based on zincate plating
锌酸盐镀锌层的三价铬溶液钝化