短語(yǔ)詞組短語(yǔ)Plate -girder Joist 工字板梁Flitch plate -girder 鋼木夾郃梁plate e girder bridge 板梁橋plate e girder 板梁deck plate steel girder 上承式鋼板梁plate steel girder 鋼板梁plate box girder 板箱形鋼梁laminated plate -girder 曡郃式板梁plate -girder 鉄板梁;板梁 返回 plate girder