• 2022-07-28
    下面哪一项是点A(10,0,30)的三面投影?
    A: [img=512x455]180340d2c2eea6b.bmp[/img]
    B: [img=504x451]180340d2f003b1a.bmp[/img]
    C: [img=509x439]180340d3120cb8d.bmp[/img]
    D: [img=505x439]180340d3332e903.bmp[/img]