• 2022-07-27
    ​EMOS管导电沟道出现预夹断时的条件是 。‎​ ‎
    A: [img=61x27]1802d1f558a4c8b.bmp[/img]
    B: [img=98x27]1802d1f5608d291.bmp[/img]
    C: [img=98x27]1802d1f568f73e9.bmp[/img]
    D: [img=51x25]1802d1f57150520.bmp[/img]