短語詞組短語girder bridge construction 梁橋施工Box girder construction 箱梁施工t girder construction t 梁施工bent girder construction stent 排架主梁施工支架Main girder construction 主梁施工ring girder construction 環(huán)梁施工continuous box girder construction 連續(xù)箱梁施工beam and girder construction 治梁梁格結(jié)構(gòu);交梁結(jié)構(gòu);主次梁式結(jié)構(gòu)girder construction system 梁式結(jié)構(gòu)體系 返回 girder construction