BH-88 trivalent chromium sulfate plating process was chosen.
选用BH - 88硫酸盐三价铬镀铬工艺。
Trivalent chromium plating can be divided into chloride and sulfate systems.
三价铬电镀分为氯化物体系和硫酸盐体系。
Formate-A acid system was a sulfate trivalent chromium plating process with low concentration.
甲酸-羧酸a体系是一种低浓度的硫酸盐三价铬电镀工艺。
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