• 2022-07-26
    图示铆钉连接,铆钉的挤压应力[img=22x17]1803d619f35c24f.png[/img]有如下四个答案,正确的是()[img=264x158]1803d619fe6bc6f.png[/img]
    A: [img=27x44]1803d61a0748f9e.png[/img]
    B: [img=27x44]1803d61a0fb35ae.png[/img]
    C: [img=25x44]1803d61a18a167d.png[/img]
    D: [img=27x44]1803d61a21fd54a.png[/img]
  • 举一反三