on-deck girder 甲板上桁架 ; 甲板上纵梁
Steel Deck Girder Dam 钢面板梁式坝
under deck girder 甲板下纵梁 ; 甲板桁材 ; 甲板下大梁
above deck girder 甲板上纵桁
deck-girder angle 甲板纵桁角材
Deck-Girder Steel Dam 板梁式钢坝
deck-girder bridge 连续大梁式上承桥
deck-girder bridges 板梁式桥梁
intercostal deck girder 间断甲板纵桁
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