大跨度预应力混凝土楼盖  long-span pre-stressed concrete floor system

大跨度楼板  large-span floor slab; long span floor slab

大跨度楼面结构  long-span floor structure

大跨楼盖  large-span floor; long-span floor

长大跨度  Long span

超大跨度  Super-long span; Super-large-span; very long span; Super-span; superspan; supper-long span; Over　long　span; super long span; super-long-span; super-large span

超大跨度桥梁  Ultra-long span bridges

超大跨度斜拉桥  super long-span cable-stayed bridge; Super-long-span Cable-stayed Bridge

超大跨度悬索桥  super-long-span suspension bridge

大跨度  great-span; large-span; large-spanned; Long span; big span; Large-span Structure; Super-span; design; Long-span Structure; Large over-the-roadway; large span; Span; Wide span; Long-span; Large-span Cable-stayed Bridge; larg span; Longspan

大跨度板  big span slab

大跨度扁坦隧道  long-span flat tunnel

大跨度变截面  large span changeable section

大跨度厂房  long-span workshop

大跨度地铁车站  large-span metro station

大跨度地下洞室  large-span underground chamber

大跨度叠梁门  long-span stoplog

大跨度洞室  Large span cavern; large span tunnel

大跨度硐室  large-span cavern