three span 三孔 ; 三跨
three span greenhouse 三架径温室
three-span continuous beam 三跨连续梁
three-span continuous slab 三跨连续板
three-span guardrail system 三跨护栏系统
According to the study conducted above, the author tries to design the scheme for the three-span continuous composite guideway bridges with an 80-meter main span, and then establish the finite element analysis model.
在此基础上,进行了主跨80m的三跨连续迭合梁的方案设计,并建立了有限元分析计算模型。
参考来源 - 高速磁浮交通迭合式轨道梁变形及力学特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The steel-structure bridge deck is three-span, and each one is welded separately with bolt connection.
三跨的人行桥的桥面为钢结构，总共三段，每段分开焊接制作，通过螺栓连接。
With applications to a three-span continuous beam bridge, the comparative of some methods of mode shape expansion and updating is researched.
针对某三跨连续梁桥，对几种振型扩展与修正的方法进行了比较研究。
There is an analysis of spatial stress on variable cross-section wide box girder of three-span continuous PC rigid frame bridge in the paper.
对一座铁路三跨连续PC刚构桥变截面宽幅箱梁进行了空间应力分析。
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