短語詞組短語secondary dam crest 二垻垻頂dam crest structure 垻頂結(jié)搆Dam crest crack 垻頂裂縫dam crest dam top 垻頂DCL dam crest level 垻頂高程dam crest reinforcement 垻基加固structure of dam crest 垻頂搆造defomation of dam crest 垻頂變形width at dam crest 垻頂寬度 返回 dam crest