The removal effects on COD,SS and organic nitrogen and the main process parameters were investigated.The effect of salinity on wastewater bio-treatment was discussed.是什么意思_The removal effects on COD,SS and organic nitrogen and the main process parameters were investigated.The effect of salinity on wastewater bio-treatment was discussed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句