短语词组短语gravelly stake 碎石桩gravelly clay 砾质粘土Gravelly Interlayer 碎石过渡层gravelly soils 碎石上gravelly soil 砾土；砾石土gravelly bed 砾石河床gravelly ground 砾石地gravelly loam 砾质壤土gravelly limestone 砾状石灰岩 返回 gravelly