• 2022-06-06
    圆柱和圆球相贯后的投影,正确的是:
    A: [img=381x310]180356b9c179f3e.png[/img]
    B: [img=371x315]180356b9ccd89bd.png[/img]
    C: [img=365x312]180356b9d7655e4.png[/img]
    D: [img=371x305]180356b9e3a9f26.png[/img]