• 2022-06-18
    图a所示超静定梁承受支座位移的作用,其力法基本体系如图b所示,则力法方程为()。[img=559x204]1803858c58cb648.jpg[/img]
    A: [img=124x22]1803858c618dcf8.png[/img]
    B: [img=144x22]1803858c6a1c355.png[/img]
    C: [img=81x22]1803858c727ae1f.png[/img]
    D: [img=130x22]1803858c7b1fd34.png[/img]
  • 举一反三