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国家开放大学机械设计基础形考任务1答案
A. 对 B. 错 6. 在两个力作用下的构件称为二力构件。 A. 对 B. 错 7. 合力一定大于分力。 A. 对 B. 错 8. 力偶无合力。 A. 对 B. 错 9. 刚体上作用力偶的力偶矩大小与矩心的具体位置无关。 A. 对 B. 错 10. 组成移动副的两构件之间的接触形式,只有平面接触。 A. 对 B. 错 ...
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