• 2022-07-01
    写出下图问题在极坐标系下外侧圆弧边界的应力边界条件[img=298x296]1803b38814a357e.jpg[/img]
    A: [img=113x84]1803b3881ef5ab9.jpg[/img]
    B: [img=113x84]1803b38828da261.jpg[/img]
    C: [img=217x81]1803b38832a0332.jpg[/img]
    D: [img=291x81]1803b3883da6d77.jpg[/img]