• 2022-06-30
    图示结构A点竖向位移(向上为正)为:[img=218x181]18038cbd94dccb6.jpg[/img]
    A: [img=58x48]18038cbd9fa3c58.jpg[/img]
    B: [img=46x46]18038cbdab4b690.jpg[/img]
    C: [img=51x49]18038cbdb6d13b4.jpg[/img]
    D: [img=51x50]18038cbdc0f5b81.jpg[/img]