进水水质对氧化沟水流混合程度的要求不一样，影响氧化沟循环比。

Influent quality has an effect on circulation ratio because of the difference of mixing level requested.

youdao

进水水质对氧化沟水流混合程度的要求不一样，影响氧化沟循环比。

Influent quality has an effect on circulation ratio because of the difference of mixing level requested.

youdao