现浇预应力混凝土简支双向空心楼板
simply edge-supported cast-in-situ pre-stressed concrete two-way hollow slab
预应力混凝土空心楼板
pre-stressed concrete hollow floor
顶板预应力结构
roof prestressing force structure
无粘结预应力楼盖
unbonded prestressed floor
预应力板
unbonded prestressed slab
prestressed plate
预应力楼盖
prestressed concrete floors
预应力预制混凝土桩
prestressed precast concrete pile
CFRP束体外预应力
externally prestressed with CFRP tendon
PCCP预应力高强钢丝
prestressing wire in PCCP
PHC桩(超高强预应力管桩)
PHC pile(pre-stressed pipe pile with super high strength
SP预应力空心板
SP precast and prestressed concrete slab