输油管道使用期限及干线大修周期的探讨
A probe into the period of oil pipelines' operation and that of their overhaul
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摘要: 通过东北管道十余年的运行实践,对管道的使用、大修周期作了探讨,建议折旧周期延长到16~20年。Abstract: It deals with the period of pipeline's operation and overhaul thro ugh the ten years' operation of the Northeast pipelines. The period of renewal suggested will expand to 16~20.