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本文着重讨论在管道内防腐方面应用比较广泛的聚乙烯管套接衬里工艺的基本概念、衬里过程及其优缺点，尤其介绍了一种新型的聚已烯管转动塞入衬里新工艺，以便于管道工程人员在进行管线内防腐时有所借鉴。
This article focuses on the basic concept of the polyethylene pipe socket lining technology which is widely used in the pipeline anticorrosive, the lining process and its advantages and disadvantages. In particular, a new type of poly Pipeline engineers in the pipeline when the anti-corrosion learn.