名词
中文翻译：长桁
同义词：
['longitudinal trusses', 'longitudinal beams', 'longitudinal girders']
例句：
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1. Thelongitudinal trusses of the bridge are essential for its stability.
桥梁的纵向桁架对于其稳定性至关重要。
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2.The engineer designed the longitudinal trusses to distribute the load evenly.
工程师设计了纵向桁架来均匀分配负载。
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3. The construction of the bridge involved the installation of longitudinal trusses and beams.
建造这座桥时，需要安装纵向桁架和梁。