The new-type double layers wheel shape beam strings prestressed steel roof truss was used in Guangzhou Nansha Gymnasium.
广州南沙体育馆屋盖采用了新型的双层轮辐式空间张弦预应力钢屋架。
The new-type double layers wheel shape beam strings prestressed steel roof truss was used in Guangzhou Nansha Gymnasium.
广州南沙体育馆屋盖采用了新型的双层轮辐式空间张弦预应力钢屋架。
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