短语词组短语Plate -girder Joist 工字板梁Flitch plate -girder 钢木夹合梁plate -girder flange splice [建]板梁翼缘拼接laminated plate -girder 叠合式板梁Nailed plate -girder 钉结板梁prestressed and plate -girder 预应力板梁 返回 plate-girder