chic of the place i like » 别致的地方，我喜欢 tri-valent chromate » 三价铬酸盐 if any shall also be for account of » 仍然所有指示相反这充电将是为受益人帐户 ..
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三价铬电镀分为氯化物体系和硫酸盐体系。
Trivalent chromium plating can be divided into chloride and sulfate systems.
选用BH - 88硫酸盐三价铬镀铬工艺。
BH-88 trivalent chromium sulfate plating process was chosen.
甲酸-羧酸a体系是一种低浓度的硫酸盐三价铬电镀工艺。
Formate-A acid system was a sulfate trivalent chromium plating process with low concentration.
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