• 2022-07-01
    写出下图问题在极坐标系情况下内侧圆弧边界的应力边界条件[img=298x296]1803b387e183496.jpg[/img]
    A: [img=113x84]1803b387ed0d035.jpg[/img]
    B: [img=113x84]1803b387f7ec9ef.jpg[/img]
    C: [img=217x81]1803b388033ff4a.jpg[/img]
    D: [img=291x81]1803b3880d7e700.jpg[/img]