自来水厂净水过程中，不需要进行的操作是

题干

自来水厂净水过程中，不需要进行的操作是（）

A：蒸馏

B：沉淀

C：过滤

D：吸附

上一题下一题 0.0难度选择题更新时间:2017-11-09 09:34:18

A

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