多丝大直径预应力钢绞线 multi-wire and large-diameter pre-stressed steel stranded wire
预应力(预应变) pre-stress(pre-strain
预应力砼管桩 the pretresed concrete tubular pile; prestressed concrete tubular pile
预应力预应变 pre-stress pre-strain
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 large diameter pipe; big inch pipe
大直径管板 Large diameter tube plate
大直径管道 large diameter pipeline
大直径管线 big inch line
大直径管桩 large diameter spun piles; large-diameter pipe pile
大直径管子 big-inch pipe
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- sized straight weld pips; large-diameter butt welded pipe; large diameter longitudinal welded pipe; Large-sized straight welded tube
大直径直缝埋弧焊管 Large-sized LSAW pipe
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