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 . 汙染物中的有機(jī)物較容易生物降解又無明顯毒性,因此採用了以生化処理爲(wèi)主的工藝流程。Hepatitis B virul 乙型肝炎病毒 返回 virulency