生化耗氧量——在由特定容量排放的小河中氧需求的测量。

Biochemical oxygen demand — the measure of the oxygen demand placed on a stream by any particular volume of effluent.

youdao

生化耗氧量——在由特定容量排放的小河中氧需求的测量。

Biochemical oxygen demand — the measure of the oxygen demand placed on a stream by any particular volume of effluent.

youdao