A.篩析法B.密度計法C.篩分法+密度計法或移液管法D.移液管法
A.100g~300gB.300g~1000gC.1000g~2000gD.2000g~4000g
A.黏質(zhì)土B.細(xì)粒土C.粗粒土D.粉質(zhì)土