多丝大直径预应力钢绞线
multi-wire and large-diameter pre-stressed steel stranded wire
预应力砼管桩
the pretresed concrete tubular pile
prestressed concrete tubular pile
大口径预应力钢筋混凝土管道
Heavy-calibre Prestressed Concrete pipeline
大跨径预应力混凝土连续梁桥
long-span prestressed concrete continuous bridge
大直径管板
Large diameter tube plate
大直径管桩
large-diameter pipe pile
large diameter spun piles
大直径径向渗透率仪
full diameter radial permeameter
大直径预钻孔
big diameter pre-borehole
大直径直缝焊管
large diameter longitudinal welded pipe
large-diameter butt welded pipe
Large-sized straight welded tube
Large－ sized straight weld pips
混凝土大直径管桩
large－ diameter concrete cylinder pile
预应力大跨空间结构
pre-stressed long-span space structure
预应力大跨框架
prestressed large span frame