折疊自行車(小折)-的結果 - 自行車
By Elizabeth
at 2008-10-28T00:00
at 2008-10-28T00:00
Table of Contents
我想我一直想說的真相請大家不要騎折疊車上山或超過時速20KM請物理專家來解答在時速20KM時緊急煞車狀況會怎樣參速1.時速20KM(或25KM)2.體重45KG3.車重15KG4.下坡3度(或仰德大道)5.小折軸距6.XTV夾狀況1緊急煞車?人車會怎樣2.50M下坡加速度的煞車?人車會怎樣3.重力加速度目前自行車安全帽標準(PU)?會有怎樣的��
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自行車
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By Belly
at 2008-11-01T10:38
at 2008-11-01T10:38
By Adele
at 2008-10-30T10:27
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