原有的腐蚀管道补强方法不仅成本高而且风险较大，因此采用新型复合材料修复腐蚀管道有着非常重要的意义。
Traditional methods of corroded pipeline repair are expensive, with high risk. Therefore, it is very important to repair corroded pipelines by using new composite materials.
根据东北输油管道大修历程，总结出了防腐层大修段的选择、管道表面清理、管道补强及管道安全运行的经验和方法。
Based on the rehabilitation of pipeline coatings, the paper summarizes the methods about the selection of rehabilitation, cleaning of pipe surface, and repair of pipe.
大部分补强板是从与所修管道具有相同直径的管子上切割下来。
Most patches were fabricated from material cut from pipe having approximately the same diameter as the pipe to be repaired.
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