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工程与制作其他
Engineering & making (other)
其他工程与动手制作议题:各类工程原理解析、产品安全、发明创造、专利与奇趣机械装置。
共 2 个精选视频
Longer-lasting light bulbs: it was complicated
Technology Connections
9 人推荐 · 跨 7 个月
Your dishwasher is better than you think (tips, tricks, and how they work)
Technology Connections
6 人推荐 · 跨 5 个月