(来学网)血清尿素氮成人值为
  • A.
    (来学网)1.2~7.1mmol/L
  • B.
    (来学网)2.2~7.1mmol/L
  • C.
    (来学网)3.2~7.1mmol/L
  • D.
    (来学网)4.2~7.1mmol/L
  • E.
    (来学网)5.2~7.1mmol/L