• 2022-06-30
    图示桁架的综合结点荷载列阵为()。[img=321x236]1802d8eacc25fde.png[/img]
    A: [img=371x48]1802d8ead5696e3.png[/img]
    B: [img=425x47]1802d8eaddc03d7.png[/img]
    C: [img=411x47]1802d8eae82888b.png[/img]
    D: [img=411x48]1802d8eaf3ae12d.png[/img]