Therefore,the removal of COD ,NH + 4 N and TN from SCAS is improved in comparison with that from the conventional activated sludge process.是什么意思_Therefore,the removal of COD ,NH + 4 N and TN from SCAS is improved in comparison with that from the conventional activated sludge process.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句