密度比率 meaning in English
density ratio
Examples
- Standard test methods for moisture - density unit weight relations of soil - cement mixtures
水泥及土混合料的湿度-密度比率 - Test methods for aggregates - determination of dry bulk density by the cylinder method and calcualtion of the ratio of density
集料试验方法.用柱状法和密度比率的计算测定干松密度