• 2022-07-23
    写出下图问题在极坐标系中外侧圆弧边界的的应力边界条件[img=298x325]1803b38704aadef.jpg[/img]
    A: [img=113x84]1803b3870f52bba.jpg[/img]
    B: [img=113x84]1803b38719d4ea6.jpg[/img]
    C: [img=217x81]1803b38724d2de3.jpg[/img]
    D: [img=291x81]1803b3872f4da56.jpg[/img]