first after a simply-supported structure
...先简支后结构，建筑项目，现场管理。 [gap=238]Keywords: continuous girder bridge, prestressed, first after a simply-supported structure, construction project, field management.
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first after a simply-supported structure
先后简支结构
以上为机器翻译结果，长、整句建议使用 人工翻译 。