这项包含铁路路基、桥梁、涵洞、护坡的工程就交到了东乡人团队的手中。
The project was handed to the team from Dongxiang and included railway beds and Bridges, culverts and slope protection.
公路包括公路的路基、路面、桥梁、涵洞、隧道。
The term highway includes its highway subgrade pavement, Bridges, culverts and tunnels.
分别对桥梁加宽和通道、涵洞加长的设计方法进行了研究、总结，并提出了设计程序。
And the design approach of widening bridge and culvert is studied and summarized.
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