Based on the production practive, this paper introduces a useful technology-inner press spray for the long distance metal pipeling corrosion prevention and describes the working procedure in detail.

• 摘要通过生产实际介绍了长线管道大修防腐方面的一项实用技术-内挤涂防腐处理工艺，较详细地阐述了施工作业过程和施工中的具体问题。