(来学网)异丙醇杀菌作用最强的浓度为
  • A.
    (来学网)30%~50%
  • B.
    (来学网)50%~65%
  • C.
    (来学网)65%~80%
  • D.
    (来学网)80%~90%
  • E.
    (来学网)>90%