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V带传动设计中，限制小带轮的最小直径主要是为了（）。

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V带传动设计中，限制小带轮的最小直径主要是为了（）。

A.使结构紧凑

B.限制弯曲应力

C.限制小带轮上的包角

D.保证带和带轮接触面间有足够摩擦力

参考答案:

答案：限制弯曲应力

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