... main line track 干线 main roof collapse 老顶垮落 main roof 织顶 ...
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The full-scale joints were made to conduct collapse test for the top and bottom chords of the tubular space truss of the roof, which is based on the main stadium of Guiyang Olympic Sports Center.
针对贵阳奥体中心主体育场罩篷空间钢管桁架屋盖中的上、下弦相贯节点，进行了足尺节点破坏试验。
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