• 2022-07-24
    构架如图(a)所示,试分别画出杆[tex=2.286x1.0]NUT0mAPaxJ0khRfquPRnUA==[/tex]、销钉[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]及整个系统的受力图。[img=154x171]179a283908a6e24.png[/img]