想知道腳踏車棘輪機構哪裡買 - 運動
By Annie
at 2008-09-01T00:00
at 2008-09-01T00:00
Table of Contents
花鼓(要有齒輪帶動的是後輪花鼓,帶棘輪機構的就是腳踏車正轉會前進反轉時則後輪會空轉我們專題要做車...往復運動帶動旋轉運動所以當往後的時候需要空轉請問哪裡購買的到或還有其他機構之方法.
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運動
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By Oscar
at 2008-09-04T22:20
at 2008-09-04T22:20
By Sarah
at 2008-09-01T16:19
at 2008-09-01T16:19
By Lucy
at 2008-09-02T08:09
at 2008-09-02T08:09
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