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本文结合国道317线汶川至马尔康公路改建工程,阐述了直螺纹机械连接和单面搭接焊的施工工艺流程,并总结对比了它们之间的技术性和经济性。
In this paper, the national highway 317 Wenchuan to Malcolm Road reconstruction project, described the straight thread mechanical connection and single-sided lap welding construction process, and summed up and compared between the technical and economic.