(来学网)男,50岁。左下牙龈癌,行龈颌颈联合根治术并放置负压引流,其引流去除的最佳时机为24小时引流量不超过
  • A.
    (来学网)5ml
  • B.
    (来学网)10ml
  • C.
    (来学网)20ml
  • D.
    (来学网)30ml
  • E.
    (来学网)50ml