• 2022-05-28
    用位移法计算图示刚架时,典型方程中的主系数[img=22x22]1803a1e93070cad.png[/img]等于[img=253x138]1803a1e93b9a6b2.png[/img]
    A: [img=45x25]1803a1e943eafbd.png[/img]
    B: [img=54x25]1803a1e94c2d5a2.png[/img]
    C: [img=45x25]1803a1e9549f3b1.png[/img]
    D: [img=45x25]1803a1e95da4174.png[/img]
  • 举一反三