• 2022-06-29
    已知机件俯视图如下,请选择正确的局部视图表达的主视图。[img=313x269]18038bac1e1320f.png[/img]
    A: [img=293x266]18038bac290b85f.png[/img]
    B: [img=275x262]18038bac342ce39.png[/img]
    C: [img=275x270]18038bac4000e00.png[/img]
    D: [img=290x280]18038bac4af83a6.png[/img]