• The flocculent effect of PAFS is superior to that of polymeric aluminum chloride and composite aluminum ferric in market.

    PAFS的效果优于市售聚合氯化铝高效复合

    youdao

  • The flocculent effect of PAFS is superior to that of polymeric aluminum chloride and composite aluminum ferric in market.

    PAFS的效果优于市售聚合氯化铝高效复合

    youdao

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