(来学网)重度一氧化碳中毒患者血液COHb的浓度可高于
  • A.
    (来学网)10%
  • B.
    (来学网)20%
  • C.
    (来学网)30%
  • D.
    (来学网)40%
  • E.
    (来学网)50%