(来学网)常用于犬术前或注射药物前皮肤消毒的碘酊浓度是
  • A.
    (来学网)1%
  • B.
    (来学网)2%
  • C.
    (来学网)3%
  • D.
    (来学网)4%
  • E.
    (来学网)5%