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为什么白银比纯银贵

更新时间: 2020-11-10 00:00:00     

白银并不会比纯银贵,因为白银就是纯银,纯白银颜色白,掺有杂质金属光泽,质软,掺有杂质后变硬。纯银是指含银100%的银,银子是不是纯的,看成色.纯度愈高,银色愈洁白,首饰表面看上去均匀发亮,有润色。

关键词: 为什么 白银

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