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银镯子变黑是什么原因
更新时间: 2021-01-09 17:13:25  

1、由于每个人的内分泌和体制原因不一样,如果由体内分泌的话,就会导致银饰表面变黑。

2、而且银与空气中的其他物质接触就对银有一定的腐蚀作用,于是形成细小的黑斑点。

3、所以要定时清洗银饰或者不佩戴就用密封的袋子收好。

关键词: 镯子 什么 原因

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