了解三氯 乙醛 的毒性和致突变作用.Acute toxicity test , mutation test and single - cell gel electrophoresis ( SCGE ) were used.三氯乙醛是无色挥发性的液体,带有刺激性很强的气味,在97.7℃沸腾.Chloral is a colorless, volatile liquid with a very penetrating odor and bo...
Come on with your good fiend, and participate in forestry centre driftage.来吧,带上您的亲朋好友, 参加林区漂流.You are going to continue your driftage after the entertainment by our protectors.游乐逗留结束,可在护漂员护理下继续漂流....