(来学网)新生儿的正常髋臼角为
  • A.
    (来学网)30°~40°
  • B.
    (来学网)23°~28°
  • C.
    (来学网)20°~25°
  • D.
    (来学网)小于20°
  • E.
    (来学网)大于40°
正确答案:
A