(来学网)荧光素染色评估时,基弧区压平附着,呈黑色圆形暗区,宽度为
  • A.
    (来学网)≥6mm
  • B.
    (来学网)≥5mm
  • C.
    (来学网)≥4mm
  • D.
    (来学网)≥3mm