钢质楔头涨壳式预应力中空注浆锚杆
expansion and prestressed type hollow grouting bolt with steel wedge
预应力网壳
prestressed reticulated shell
预应力网壳结构
pre stressed lauice shell structure
闭式组合式预应力机身
close-combined pre-tightened frame
全长粘结式预应力锚索
full-length-bonding pre-stressed cable
上承式预应力混凝土拱桥
prestressed concrete deck arch bridge
自钻式预应力锚杆
self-drilling pre-stress anchor rod
拱支预应力网架
arch-suspended prestressed space grids
预应力网架
prestressed grid
prestressed grid structures
预应力预制混凝土桩
prestressed precast concrete pile
大跨度预应力张弦式管道
long-span prestressed beam string pipe
空间张弦网壳
spatial shell-string structure