平面弯曲：梁的横截面有一对称轴，外载荷作用在纵向对称面内，杆发生弯曲变形后，轴线仍然在纵向对称面内，是一条平面曲线。 -题库考试答案搜索网

平面弯曲：梁的横截面有一对称轴，外载荷作用在纵向对称面内，杆发生弯曲变形后，轴线仍然在纵向对称面内，是一条平面曲线。

判断题

2021-07-18 23:33

A、正确
B、错误

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正确答案

A

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A

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