(来学网)正常胎儿头皮血检查,血pH应为
  • A.
    (来学网)6.85~6.95
  • B.
    (来学网)6.95~7.05
  • C.
    (来学网)7.05~7.15
  • D.
    (来学网)7.15~7.25
  • E.
    (来学网)7.25~7.35