室内土工试验砂的相对密实度试验
sand relative density test
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