By pre aeration in tanyard wastewater, the effect of primary settling improves obviously.
制革污水采用预曝气处理后,可大大提高初沉池沉淀效果。
英文例句大全为您提供tanyard waste英文例句大全,tanyard waste英文造句,关于tanyard waste的英语句子,单词tanyard waste怎么造句,tanyard waste英文例句大全有哪些,哪些英语句子是关于tanyard waste,英语单词tanyard waste的句子,单词tanyard waste如何造句,tanyard waste怎么造句等。