• 2022-06-06
    下列圆球表面取点作水平投影,作图正确的是:
    A: [img=265x468]1803d74baf91e96.png[/img]
    B: [img=256x435]1803d74bbb2e286.png[/img]
    C: [img=335x645]1803d74bc64d4b1.png[/img]
    D: [img=330x630]1803d74bd27de6d.png[/img]