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五角钱硬币是什么材质

更新时间: 2020-12-02 16:53:29     

铜锌合金。硬币材质主要包括铝合金、不锈钢、钢芯镀铜合金、钢芯镀镍合金。硬币是由金属铸造的货币,在我国有几千年的历史,最早的硬币是由商朝的宝德铜贝制成。硬币使用方便,也方便携带,耐磨损,流通时间长。硬币根据用途不同,可以分为:流通币、收藏币、纪念币、投资币等。硬币的设计一般需要做到:概括性、纪念性、民族性、单一性。

关键词: 硬币 什么 材质

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