Under such conditions,the effluent COD can be decreased below 150 mg/L and SS below 200 mg/L by a 24 h aerobic biological treatment.是什么意思_Under such conditions,the effluent COD can be decreased below 150 mg/L and SS below 200 mg/L by a 24 h aerobic biological treatment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句