常見例句since oganic in this pullution are easy to be biodegradation and without a obviously virulency, so we take biochemical treatment as the main resolution of this technological process . 污染物中的有機(jī)物較容易生物降解又無明顯毒性，因此采用了以生化處理為主的工藝流程。Hepatitis B virul 乙型肝炎病毒 返回 virulency