At bottom layer of the moutn of the Huanghe River the AOU (Apparent oxygen utilization) is as high as 2.04ml/L in summer, as a result of the oxidation of organic matter adhereing on suspended matter.是什么意思_At bottom layer of the moutn of the Huanghe River the AOU (Apparent oxygen utilization) is as high as 2.04ml/L in summer, as a result of the oxidation of organic matter adhereing on suspended matter.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句