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下面的变速箱由四个齿轮组成,有互相咬合的齿轮和两条传送带,如果48齿的大齿轮顺时针方向旋转10转,这个装置底端齿轮上的箭头将指向哪个方向?它旋转多少转?
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liuzhe
123
xiaofu
有点儿难啊
zq
nan
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liuzhe
123
xiaofu
有点儿难啊
zq
nan