• 2022-07-23
    求作A-A半剖视图,B-B全剖视图,正确的是哪一组。
    A: [img=641x667]1803d0c96a423da.bmp[/img]
    B: [img=639x685]1803d0c9a4385ce.bmp[/img]
    C: [img=638x682]1803d0c9e9fa125.bmp[/img]
    D: [img=663x702]1803d0ca2cf4feb.bmp[/img]