During disinfection with chlorine followed by UV,addition of high-concentration chlorine with short contact time has bett...
英
美
先紫外线后氯消毒时,氯剂量越大则灭活率越高,若氯浓度相同而接触时间不同,则灭活效果差别不大。
目录
查词历史
英 汉