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针对国内油田旧管道的内腐蚀严重,而在修复技术落后和工艺不完善的情况下,这里介绍几种国外旧管道内修复的新技术,目的是消除腐蚀泄漏,恢复和提高管道的输送能力。
In view of the severe internal corrosion of old pipelines in domestic oilfields, in the case of backward technology and imperfect repairs, several new techniques for repairing old pipelines in foreign countries are introduced here to eliminate corrosion leakage, restore and improve the pipeline’s transportation capacity.