随着交通基础设施工程建设的飞速发展和公路等级的不断提高，大型互通桥梁、高架桥梁日益增多，支座被广泛地使用于桥梁中。
With the rapid development of traffic base devices and continuous improvement of highway grade, such as large interchange bridge and viaducts are widely used in bridge construction.
北京东直门交通枢纽是北京市重要的基础设施工程之一。
Dongzhimen Interchange Station is one of the crucial infrastructure projects in Beijing.
建设了一大批水利、交通、通信、能源和环保等基础设施工程。
A large number of infrastructure projects in such areas as water conservancy, transportation, telecommunications, energy and environmental protection have been completed.
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