big hollow plate girder
prestressed concrete plate girder bridge
Railway Steel Plate Girder Bridge
steel plate girder bridge
Through Plate Girder Bridge
cast-in-place concrete hollow plate-column structure
cast-in-place hollow plate
Prestressed Hollow Plate
simple-supporting hollow bridge
bed-plate girder
热休克蛋白70(HSP70)
聚乙烯醇(PVA)
基座纵桁
保护质量(QoP)