(来学网)生活饮用水卫生标准规定了氯仿、四氯化碳的允许浓度为()。
  • A.
    (来学网)CHCIs20ug/L,CCIs20ug/L
  • B.
    (来学网)CHCIs30ug/L,CCIs10ug/L
  • C.
    (来学网)CHCIs40ug/L,CCIs5ug/L
  • D.
    (来学网)CHCIs50ug/L,CCIs4pg/L
  • E.
    (来学网)CHCIs60pg/L,CCIs2ug/L