Finally, probably determine the main-beam size of the main girder and end girder in the structure of the metal structure, and it's structure analysis.
最后大概确定了桥架结构中主梁和端梁的主要尺寸，并对其进行了有限元分析。
Single-girder bridge by a single main beam and in the end beam span both sides of the composition, dual-beam bridge consists of two main beams and side beams formed.
单主梁桥架由单根主梁和位于跨度两边的端梁组成，双梁桥架由两根主梁和端梁组成。
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