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问题详情

COD是指示水体中（）的主要污染指标。

A、氧含量

B、含营养物质量

C、含有机物及还原性无机物量

D、无机物

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

C

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