・This video 「

齿轮齿条传动和丝杆传动的区别是什么？主要看这三点

」@bilibili.com
　　↓↓↓Often Viewed With：↓↓↓・机械工程师必须知道的丝杆传动，几乎每台自动化设备都有！
・步进电机与伺服电机区别，一个视频带你理解透彻！
・三个齿轮也能转，有点意思
・淬火为什么一定要读成蘸火？

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