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西气东输工程从新疆至上海 ,全长约 4 0 0 0km ,该管道将在国内首次采用可以减小磨擦阻力、提高输送能力的内壁覆盖层技术 (简称减阻内涂 ) ,并对减阻内涂技术的必要性、可行性及可操作性进行讨论
The total length of the West-East natural gas transmission project from Xinjiang to Shanghai is about 4 0 0 km. The pipeline will be the first time in China to adopt the inner wall coating technology (drag reduction and internal coating) that can reduce the frictional resistance and improve the transportation capacity, Necessity, feasibility and operability of barrier coating technology are discussed