• 2022-07-28
    图示结构中,CA 杆C 截面的弯矩和CB 杆C 截面的剪力为:[img=354x285]180316f0334076b.jpg[/img]
    A: [img=206x45]180316f03e4b1c8.jpg[/img]
    B: [img=235x42]180316f048cf33d.jpg[/img]
    C: [img=222x42]180316f052e08a3.jpg[/img]
    D: [img=302x44]180316f05d45468.jpg[/img]