The thickness ratio of high and medium phosphorus layers in double Ni platinglayer was optimized.
优化了双镍层中的高磷镀镍层与中磷镀镍层的厚度匹配。
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Experienced 16 hours of CASS standard test, the platinglayer, based on double post-plating nickel layers, still preserves perfect decorative appearance and shows good property of anti-erosion.