(来学网)儿童输血的速度应控制在
  • A.
    (来学网)5~7ml/min
  • B.
    (来学网)1~2ml/min
  • C.
    (来学网)2~4ml/min
  • D.
    (来学网)3ml/min
  • E.
    (来学网)6ml/min