• 2022-05-29
    ‍在受轴向变载荷作用的紧螺栓连接中,为提高螺栓的疲劳强度,可采取的措施是 。(注:[img=20x22]1802f800a96abbd.png[/img]为螺栓刚度,[img=20x22]1802f800b1d8318.png[/img]为被连接件刚度。)‎
    A: 增大[img=20x22]1802f800ba4ff30.png[/img] 、减小[img=20x22]1802f800c309497.png[/img]
    B: 减小[img=20x22]1802f800ba4ff30.png[/img] 、增大[img=20x22]1802f800c309497.png[/img]
    C: 增大[img=20x22]1802f800ba4ff30.png[/img]和[img=20x22]1802f800c309497.png[/img]
    D: 减小[img=20x22]1802f800ba4ff30.png[/img]和[img=20x22]1802f800c309497.png[/img]
  • 举一反三