山地车四连杆避震系统工作动画示意图关联trek美利达单转点浮动连杆
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没有按照尺寸随便画的草图。练练手机械原理课学习的知识的简单应用。早就想话的了一直拖到现在。现在什么结构都可以画用逆向工程也可以得到真实的比例。想看那个架子可以留言。
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