big hollow plate girder
Hollow Plate Girder Bridge
cast-in-place concrete hollow plate-column structure
cast-in-place hollow plate
Prestressed Hollow Plate
bed-plate girder
热休克蛋白70(HSP70)
聚乙烯醇(PVA)
基座纵桁
保护质量(QoP)
girder-plate coupled structure
hinge-jointed plate girder