• 2022-06-19
    图示桁架中,各杆EA=常数,结点K的水平位移等于( )。[img=849x495]1803dacbddb0a29.jpg[/img][img=849x495]1803dacbea83ff9.jpg[/img]
    A: [img=158x39]1803dacbf678af1.png[/img]
    B: [img=104x39]1803dacc022e6f7.png[/img]
    C: [img=145x30]1803dacc0e9a7e8.png[/img]
    D: [img=118x31]1803dacc17a8db6.png[/img]