这就是为什么火车车轮不是完美的圆柱形，而是略微呈圆锥形的原因。
[视频：3d_printer_academy] https://t.co/FdI1MuoE28 https://video.twimg.com/ext_tw_video/1735087039668760576/pu/vid/avc1/576x1022/WQ9UTgpJqTrrLnL9.mp4?tag=12
这样的设计确实巧妙。 nostr:nevent1qqsgqgj0t4vf8lg7zkynnvff2408ftvr5fjaty46tg07rq4m0zsj3pszyzf7x4skpk0spc2na4lydsq55ucr7m6tx0ahlv8fww2lcmj6ng4v25lgt5a
Please Login to reply.
No replies yet.
