• 2022-07-01
    写出下图问题在极坐标系下集中力作用点右边水平边界的的应力边界条件[img=329x244]1803b388af51b00.jpg[/img]
    A: [img=131x96]1803b388b97aaa0.jpg[/img]
    B: [img=131x84]1803b388c3c1132.jpg[/img]
    C: [img=131x84]1803b388cd40393.jpg[/img]
    D: [img=131x84]1803b388d80f94c.jpg[/img]