[問題] 機件原理 輪系
請問圖3跟圖6為什麼一個是順時針一個是逆時針
我畫的方向這樣是對的嗎?
順時針跟逆時針好難判斷哦!
有人跟我說同軸同向,不同軸就反向
http://i.imgur.com/fuGqvmy.jpg
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