I thought copper not silver were used to make coins

I thought copper not silver were used to make coins

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送交者: HunHunSheng 于 2005-5-16, 10:12:39:

回答: 请教一个问题由 liweikang 于 2005-5-16, 09:50:34:

Where are those silver bullions used as a means for payment in our ancient time? - liweikang (0 bytes) 2005-5-16, 10:24:23
- 电子工业中很多元件要用银（电极等），还有装饰用银用量也比古代长了数百倍数千倍 - 2Cul4U4 (0 bytes) 2005-5-16, 13:07:25

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