A.2.55 B.2.5 C.2.550 D.2.560
A.0.01g/cm3 B.0.02g/cm3 C.0.03g/cm3 D.0.04g/cm3
A.65℃~70℃ B.75℃~80℃ C.105℃~110℃ D.110℃~120℃