simple supported steel beams
simple supported steel beams
简支钢梁
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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With the background of track beams adopted in Chongqing straddle single-track transit systems, dynamic behavior of steel-concrete composite simple-supported track beam is discussed in this paper.
以重庆跨座式单轨交通系统中采用的轨道梁为研究背景，探讨了钢-混简支组合轨道梁的动力特性。
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