大跨度高边墙地下洞室
underground cavern with large span and high side wall
高墙大跨度硐室
Highwall-widespan chamber
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
大跨度变截面
large span changeable section