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铜变黑了怎么清洗
更新时间: 2021-04-10 04:02:43  

1、铜变黑清洗可以用酸醋、洗涤剂、海盐等。

2、铜发黑主要是因为与空气接触氧化变黑,清洗时,可以用食用的酸醋、洗涤剂、海盐等溶液或物质浸泡,浸泡时应随时翻动、观察,适可而止,然后用清水、软刷洗净擦干,这样的铜会好很多。

关键词: 怎么 清洗

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