A.1.7g/cm3 B.1.8g/cm3 C.1.5g/cm3 D.1.6g/cm3
A.比重瓶法 B.浮稱(chēng)法 C.虹吸筒法
A.100~105℃ B.100~110℃ C.105~115℃ D.105~110℃