• 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=364x251]18038bac0c21b3e.png[/img]
    A: [img=312x269]18038bac1881961.png[/img]
    B: [img=318x274]18038bac23aae9e.png[/img]
    C: [img=315x274]18038bac2e4f184.png[/img]
    D: [img=340x285]18038bac382231c.png[/img]