单词：contaminant concentration
contaminant concentration的用法和样例：
例句
- The concentration sub-model shows that the pollutant concentration event only changes with the runoff event at the gully.浓度子模型则反映了雨水口入流污染物浓度仅随入流流量而变化。
- This chapter describes methods of estimating airborne pollutant concentration distributions associated with various emission sources.本章论述几种有关各种排放源的大气污染物浓度分布的估算方法。
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