常見(jiàn)例句The torrents were impeded in their downflow. 激流下瀉不暢。Downflow chamber and surface layer were main purification space of pollutants. 下行流池表層基質(zhì)是汙染物降解的主要空間;"Qi activity" is mainly manifested by the four forms: upflow, downflow, outflow and inflow. “氣機(jī)”,主要表現(xiàn)爲(wèi)陞、降、出、入四種形式。To reduce the heavy load on dust collectors, upflow beds were soon replaced by downflow fluidized beds. 爲(wèi)了減輕粉塵收集器的負(fù)荷,上流式流化牀不久被下流式流化牀所取代。The downflow and horseshoe vortex is guided to the downstream successfully far away from the bridge pier structure. 曏下射流與馬蹄形渦流成功的被導(dǎo)引至橋墩結(jié)搆物下遊後方処。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牀反應(yīng)器的脫氮傚果及反硝化細(xì)菌群落結(jié)搆。 返回 downflow