• 2022-07-01
    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]180387f2a500d8f.png[/img]
    A: [img=36x46]180387f2aefbad7.png[/img]
    B: [img=27x46]180387f2b71086d.png[/img]
    C: [img=27x46]180387f2bff5b4b.png[/img]
    D: [img=27x46]180387f2c8f5ff2.png[/img]
  • 举一反三