Based on the Barnard system under mixed flow condition for biological nitrogen control,the maximum anaerobic time of nitrobacter was first put forward,and a mathematic model for the system was established. ?是什么意思_Based on the Barnard system under mixed flow condition for biological nitrogen control,the maximum anaerobic time of nitrobacter was first put forward,and a mathematic model for the system was established. ?在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句