2025-06-06 03:00 浏览次数 42
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