(来学网)我国生活饮用水水质标准规定汞的最大允许浓度不得超过
  • A.
    (来学网)0.0002mg/L
  • B.
    (来学网)0.0005mg/L
  • C.
    (来学网)0.001mg/L
  • D.
    (来学网)0.005mg/L
  • E.
    (来学网)0.010mg/L