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悬臂架桥
cantilever erections
- 基本上仅有四种结构能够用作在水流或障碍物上架桥：钢梁、悬臂结构、拱结构和悬索体系。
Basically there are just four types of structures that can be used to bridge a stream or other obstacle: rigid beams, cantilevers, arches, and suspension systems. - 通常悬臂梁中间间隙是闭合的既是刚架桥。
Cantilever is usually only the middle of the gap is closed rigid frame bridge. - 这里有4 类基本结构可以用作水面上的或障碍物上的桥：刚架桥、 悬臂桥、拱桥、和悬索桥体系。
There are four categories of basic structure can be used as water or obstructions on the bridge: rigid frame bridge, cantilever bridge, arch, and suspension system.
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