片语
rubble stone retaining wall毛石挡土墻
cement-rubble stone dam浆砌石坝
Rubble stone layer块石土层
rubble e stone毛石
rubble stone dam浆砌石坝
selection of rubble stone毛石基础
rubble stone footing片石基础
rubble stone embankment片石路基
breislakite毛石
freestone离核的;果肉与核容易分开的
rubble stone vault毛石穹顶