天气预报 > 其他 > 牛仔裤上的扣子是铜的还是铁的
牛仔裤上的扣子是铜的还是铁的
更新时间: 2020-06-30 00:00:00  

1、有的是铁的,有的是铜的,也有的是合金的,如铜锌合金等,但是为了防锈,一般不会用铁做,基本都是铜或者合金。

2、分辨最好的方法是用磁铁吸,如果吸引,则为铁,不吸引,则为铜或者合金。

关键词: 牛仔裤 扣子 还是

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