(来学网)我国集中式给水出厂水管网末梢含余氯量应控制在
  • A.
    (来学网)≥0.05mg/L
  • B.
    (来学网)>0.05mg/L
  • C.
    (来学网)≤0.05mg/L
  • D.
    (来学网)=0.05mg/L
  • E.
    (来学网)≥0.5mg/L