初雨
- 网络First Rain;Trax;After The Rain
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另外商业区初雨径流中COD、SS、TN、NH4+-N浓度均高于其他功能区,工业区初雨径流中TP浓度高于商业区和居民区。
Min runoff were below grade ⅴ of surface water environment standard . In initial runoff of commercial district , the concentrations of COD , SS , TN and NH + 4-N are higher than those of other districts as well as the concentration of TP in industrial district .