(来学网)生活饮用水卫生规范规定细菌总数应低于
  • A.
    (来学网)3CFU/ml
  • B.
    (来学网)100CFU/ml
  • C.
    (来学网)1000CFU/ml
  • D.
    (来学网)3CFU/L
  • E.
    (来学网)100CFU/L