最近一次调查发现那里的水质污染比本国其他任何地区都严重。

A recent study found that water pollution in the region was worse than in any other region in the country.

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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.

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在系统分析青霉素废水水质的基础上，进行该废水不同稀释比的水解酸化试验。

Based on analyzing the wastewater quality of penicillin systematically, it has been conducted hydrolytic acidification experiments on penicillin wastewater with different dilute proportion.

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