WEIGHT : Density of 2.1 g/cm3 density can be varied by aggregate addition.
WEIGHT : Density of 2.1 g/cm3 density can be varied by aggregate addition.
质量：密度为2.1克/立方厘米，密度随着添加量的增加而改变。
WEIGHT : Density of 2.1 g/cm3 density can be varied by aggregate addition.
质量：密度为2.1克/立方厘米，密度随着添加量的增加而改变。