drowned flow的用法和样例：
例句
- In VFW, the influence of wetland plants on the water flow pattern is not observed before clogging, and after clogging HRT is extended by wetland plants.
在堵塞后，潜流和垂直流湿地植物都对水流流态有明显影响，增大了水流传输路径，延长了水力停留时间。 - Experiments of nitrogen and phosphorus removal from rural domestic wastewater in the Taihu Lake basin were carried out by the two-stage subsurface flow constructed wetland process.
采用二级串联潜流式人工湿地系统对太湖地区农村生活污水进行了脱氮除磷的试验研究。
