当急回特性系数为（）时，曲柄摇杆机构才有急回运动。 - 查题网

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成人高等教育 / 机械设计基础

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当急回特性系数为（）时，曲柄摇杆机构才有急回运动。

A、
K＜1
B、
K＝1
C、
K＞1
D、
K＝0

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机械设计基础

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