Generally,pharmaceutical wastewater has such characteristics as complicated element,intricate species of organic pollutant,and low ratio of BOD and COD.是什么意思_Generally,pharmaceutical wastewater has such characteristics as complicated element,intricate species of organic pollutant,and low ratio of BOD and COD.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句