超硬磨料 堆积密度测定方法
Superabrasive-Testing method of bulk density
2012-05-24
AS 1289.3.5.2-2002
Methods of testing soils for engineering purposes, Method 3.5.2: Soil classification tests - Determination of the soil particle density of combined soil fractions - Vacuum pycnometer method
工程用土壤试验方法 方法3.5.2:土壤分类试验-组合土壤组分的土壤颗粒密度测定-真空比重瓶法