Polyaluminium chloride(PAC)is one of the most widely used coagutators in water treatment process.

聚合碱式氯化铝（简称PAC）是水处理工艺中用得最广泛的凝聚剂之一。

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Polyaluminium chloride(PAC)is one of the most widely used coagutators in water treatment process.

聚合碱式氯化铝（简称PAC）是水处理工艺中用得最广泛的凝聚剂之一。

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