A.0.01%~0.05%B.0.1%~0.5%C.1%~5%D.10%~50%E.>50%
A.甲醛B.乙二醛C.丙二醛D.丁二醛E.戊二醛
A.0.1mg/LB.0.2mg/LC.0.3mg/LD.0.4mg/LE.0.5mg/L