·2,447,543篇论文数据，部分数据来源于NoteExpress
This is the Zhongyuan Oilfield in recent years, the maximum span of the construction of gas pipeline project, a pipeline project, but also that the first swing truss bridge tower.
这是中原油田近年来承建输气管道工程跨径最大的一项管道铺设项目，同时也是国内第一个摇摆塔式桁架桥。
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