(来学网)精囊液占精浆的
  • A.
    (来学网)5%~10%
  • B.
    (来学网)15%~30%
  • C.
    (来学网)40%~50%
  • D.
    (来学网)50%~80%
  • E.
    (来学网)70%~90%