磁悬浮轨道梁
magnetic levitation railway girder
magnetic suspension track beam
灌注桩轨道梁基础
track beam foundation of cast-in- situ concrete pile
井字形轨道梁
rail girdersof intersecting parallel pattern
列车-轨道梁耦合系统
coupled vibration system of train-track beam
桥机轨道梁
track beams of bridge crane
新轨道梁梁型
new-prototype guideway girder
预应力钢筋混凝土轨道梁
PC(prestressed concrete) rail beam
预应力混凝土轨道梁
prestressed concrete girder
PC truck beam
prestressed concrete track girder
prestressd concrete track girder
预应力混凝土箱型轨道梁
prestressed concrete box girder
车辆轨道桥梁单元
vehicle-track-bridge element