coinage gold
... 金箔制造：gold beating 金币合金：coinage gold 金（Au）：A urum ...
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毕隆铸币金合金 billon
斯特林货币金合金 Sterling gold
·2,447,543篇论文数据，部分数据来源于NoteExpress
混入一些微量合金后，金币在理论上能贮藏几万年的时间。
Mixed with a small amount of alloy, gold COINS have literally been able to last for thousands of years.
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大多硬币均由合金制造，比如黄金币和白银币通常含有一定的铜。
Most COINS are made of alloys. Gold and silver, for instance, are usually alloyed with copper.
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