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银饰变黑怎么办
更新时间: 2020-11-10 00:00:00  

银饰变黑的解决方法:用牙膏、牙刷清洗;或者到首饰店直接清洗。银饰品变黑属于正常的自然现象,由于空气和其它自然介质中的硫和氧化物等对银都有一定腐蚀作用,所以一段时间后,银饰上会出现一些微小斑点且不断扩散,之后就变成黑色。

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