(来学网)我国现行饮用水卫生标准(2006)规定,细菌总数应为
  • A.
    (来学网)<1000个/ml
  • B.
    (来学网)<100个/ml
  • C.
    (来学网)<50个/ml
  • D.
    (来学网)<10个/ml
  • E.
    (来学网)<3个/ml
正确答案:
B