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以前在腳踏車後輪加裝兩個小滾輪的方式不就已經有了，而且在靜止時也可以保持平衡。難道這是要做給完全沒平衡感的人使用的嗎?
太好了 一針見血
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Reader Comments (Page 1 of 1)
Alienboy @ Nov 6th 2008 7:52PM
以前在腳踏車後輪加裝兩個小滾輪的方式不就已經有了，而且在靜止時也可以保持平衡。
難道這是要做給完全沒平衡感的人使用的嗎?
foxmulder @ Nov 6th 2008 8:14PM
太好了 一針見血