Aerobic zone and anoxic zone can be formed in the ditch through controlling oxygen supply of the brush and TN removal is over 90%.是什么意思_Aerobic zone and anoxic zone can be formed in the ditch through controlling oxygen supply of the brush and TN removal is over 90%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句