contamination sources

污染来源
常用释义
污染来源

例句

The result shows that the contamination sources are mainly from coal fly ash and automotive emissions (gasoline and diesel oil).

结果表明,成都市城市环境污染主要来自于燃煤扬尘和汽车尾气排放。

表面光电压法研究抛光硅片制造中铁沾污的来源

Evaluation of managing effect on contamination sources from township and village enterprises in Tengzhou city

滕州市乡镇工业污染源治理效果评价

采石场大气污染物源强分析研究

洁净室的污染来源防治的几个方面。

英语中的语言污染探源