base-stone基石
base of stone bolt地脚螺栓座
Upgrade base to stone wall升级基地防御为石墙
balustrade base stone螭子石
base stone in danger engineering险工根石
Stone base石基;石材基地
crushed stone base course碎石块底盘
broken stone base碎石基层
graded broken stone base级配碎石基层