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downflow

美['daʊnfloʊ] 英['daʊnfləʊ]

vt. 下冲

n. 溢流管

The torrents were impeded in their downflow. 激流下泻不畅。
Downflow chamber and surface layer were main purification space of pollutants. 下行流池表层基质是污染物降解的主要空间；
"Qi activity" is mainly manifested by the four forms: upflow, downflow, outflow and inflow. “气机”，主要表现为升、降、出、入四种形式。
To reduce the heavy load on dust collectors, upflow beds were soon replaced by downflow fluidized beds. 为了减轻粉尘收集器的负荷,上流式流化床不久被下流式流化床所取代。
The downflow and horseshoe vortex is guided to the downstream successfully far away from the bridge pier structure. 向下射流与马蹄形涡流成功的被导引至桥墩结构物下游后方处。
Objective To study the community of denitrifying bacteria and nitrate-nitrogen removal in downflow fixed-bed bioreactor. 目的研究下流式固定床反应器的脱氮效果及反硝化细菌群落结构。

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