牛仔球场是一个拥有可伸缩的圆拱形屋顶，位于德州阿灵顿。
Cowboys stadium is a domed stadium with a retractable roof in Arlington, Texas.
这两个地区的由一个很大的屋顶架成圆拱形，其中一个有60米×120米大、屋顶跨度达85米——相当于一个足球场。
Each of the two areas is overarched by a huge roof, one of them measuring 60 x 120 meters – the size of a soccer field – and cantilevering 85 meters.
探索出圆拱形管桁架的分段制作、现场拼接技术，首次开发了单榀桁架非稳定性吊装技术。
It gave a research result on the manufacture technology of arch tube truss, and put forward firstly the instability hoisting technology of single truss.
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