• 2022-06-19
    ‏2、曲线[img=50x26]1803bbf5246ec8d.png[/img]绕y轴旋转的曲面方程为( )‍
    A: [img=96x26]1803bbf52c47c0a.png[/img]
    B: [img=89x26]1803bbf534d29f6.png[/img]
    C: [img=88x26]1803bbf53d54c96.png[/img]
    D: [img=88x26]1803bbf54528894.png[/img]