downflow

英 /'daʊnfləʊ/ 美 /'daʊnfloʊ/

d开头的单词英语单词大全

中文释义

n.向下流，向下流之物

downflow的英语例句

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.