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量的名称量符号定义单位名称单位符号体积质量 (volumic mass)质量密度 (mass density)密度 (density)ρ质量除以体积千克每立方米(kilogram per cubicm etre)kg/ m3B的质量浓度 (m ass concentrationof B)ρB B的质量除以混合物的体积千克每升(kilogram per litre)kg/ Lkg/ LB
Quantity Name Quantity Symbol Definition Unit Name Unit Symbol volumic mass mass density density ρ mass divided by mass kilogram per cubic meter et kg kg / m3 mass concentration (m ass concentration of B) ρB B divided by the volume of the mixture kilogram per liter kg / Lkg / LB