SP预应力空心板
SP precast and prestressed concrete slab
T梁桥和空心板梁桥
T-shaped beam bridge and hollow slab bridge
点阵桁架夹心板
Lattice truss sandwich plate
独柱式连续空心板
single column continuous voided slab
二重金属心板
centrifugally-cast dual metal
蜂窝夹心板
Honeycomb core sandwich panels
覆面空心板部件
Overlay hollow core board components
钢筋混凝土空心板
Reinforced concrete Hollow Slab
钢筋混凝土空心板梁
steel concrete hollow slab beam