(来学网)传染性非典型肺炎的氧疗指征是
  • A.
    (来学网)PaCO2<70mmHg
  • B.
    (来学网)Sp02<93%
  • C.
    (来学网)Sp02<95%
  • D.
    (来学网)PaCO2<75mmHg
  • E.
    (来学网)PaCO2<80mmHg