空桥
kōnɡ qiáo
- 名air bridge
空桥-
这座由李春设计的石桥被公认为世界上最早的一座“空撞券桥”。
The bridge designed by Li Chun was regarded as the earliest bridge in the world .
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太古公路采空区路桥稳定性分析及其治理方案
An analysis of the stability of roads and bridges in the mined-up region of the taigu highway and the treating scheme
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基于上覆两层采空区的公路桥煤柱条带开采
Mining practices on coal pillar and room mining under two goaf and highway bridge