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。

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

youdao

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。

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

youdao