下承式桁架是什么意思、英文翻译及中文解释 本文已影响 1.16K人 下承式桁架padding-bottom: 100%;"> 词语: 下承式桁架解释: through truss词典: 水利专业汉英词典 下承式桁架 相关解释 through truss 〔名词〕下承式桁架,穿式桁架 through truss 〔名词〕下承式桁架;n.下承桁架