• 2022-06-08
    已知带有圆柱孔的球体的四组投影,正确的画法是图
    A: [img=95x128]1803bdc01c148f7.jpg[/img]
    B: [img=93x127]1803bdc0260872e.jpg[/img]
    C: [img=82x125]1803bdc03014834.jpg[/img]
    D: [img=77x129]1803bdc03a35528.jpg[/img]
  • 举一反三