搜索 - 科创

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该专栏关于3D打印外壳的坑会在这里统一表述，不另外开设新帖同时，也会分享一些3D建模的玩法，因为这算是我第一次3D建模。进行了初步组装后进行抛掷测试红框处是已经被摔烂的结构，原因是这一部分的厚度过薄，...

爱迪生意识到，交流电可以降低成本，这是无疑的，从经济角度来攻击交流电，势必要以失败告终。于是，他就在交流电的其他方面做文章。

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