密度下降率
density reduced rate
The density decreased rate
平均密度下降率
average density decline rate
海平面相对下降
relative fall of sea level
核空间相对密度
relative density in kernel space
理论最大相对密度
theory in max density
maximum theoretical relative density
maximum theoretical density
theoretical maximum specific density
磷矿浆相对密度
relative density of phosphate rock slurry
毛体积相对密度
bulk specific gravity
gross volume relative density
relative density of bulk volume
视相对密度
apparent relative density