buttressn.扶墙;拱壁v.支持
buttress zone扶垛状凸起带
buttress head垛头
buttressed dam扶壁式坝
buttress blade不对称梯形齿锯带
Buttresses set墩台
buttress sands支撑砂层
buttress tower拱门两旁的小塔
buttress brace加强梁,加劲梁,垛间支撑,支撑刚性梁
buttress niche扶壁壁龛
buttress braces垛间支撑