白金是用白色的金属镀在黄金外面，所以时间长了或磨损，露出黄金的颜色。所以结婚戒指一般都是铂金戒指，要不然磨损了就难看了

来源: 66i6 于 2025-02-22 18:59:39 [旧帖] [给我悄悄话] 本文已被阅读：次

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