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问题详情

测定溶解氧的水样应在现场加入（）作保存剂。

A、磷酸

B、硝酸

C、氯化汞

D、MnS04和碱性碘化钾

时间：2021-07-17 23:50 关键词：水文与水资源工程专升本水化学及水质分析 2019级毕业清考（考试分） 2019级第三学期期末考试

答案解析

D

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