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October 29回形针之后,订书钉是怎么发明的订书钉并不是回形针之后才有的,它们几乎生在同一个年代。这一集从传说中的宫廷钉子讲到十九世纪美国发明人的专利,再到今天一压一枚的钉条。本节目由 AI 工具撰稿并配音。This episode includes AI-generated content.5 minPlay