• 2022-05-31
    图示z 坐标轴与直径为d 的圆形截面相切,则该截面对z 轴的惯性矩为:[img=151x154]18030ba57468c01.png[/img]
    A: [img=36x46]18030ba57d34975.png[/img]
    B: [img=27x46]18030ba584d44e7.png[/img]
    C: [img=27x46]18030ba58cc15e1.png[/img]
    D: [img=27x46]18030ba5952ec48.png[/img]