求翻译：本论文的研究目的是建立输油管道物理寿命评估的指标体系。在参考国内外关于在役管道安全评价和剩余寿命研究的基础上，对影响长输管线剩余寿命的因素进行全面的分析。阐述了剩余寿命预测的基本思路、影响寿命预测的关键问题及预测的重点和处理方法。是什么意思？

The purpose of this paper is to establish the pipelines physical life assessment index system. Reference in-service pipeline safety evaluation and remaining life at home and abroad on the basis of a comprehensive analysis of factors affect the long-distance pipeline remaining life. The remaining lif

This paper is to establish the purpose of the research pipeline physical life evaluation of indicators. At home and abroad and in the reference on the bondage duct safety evaluation and the remaining life expectancy on the basis of the study, the influence of life remaining pipeline factors provide

The present paper research goal is establishes the oil pipeline physical life appraisal the target system.In refers domestic and foreign about in the service pipeline safety evaluation and in the remaining life research foundation, to affects long loses the pipeline remaining life the factor to carr

Study purpose of this thesis is to build oil pipeline assessment index system of physical life. In reference on pipeline safety in service at home and abroad on the basis of the evaluation and study of residual life, effects on pipelines for a comprehensive analysis of remaining life of. Expounded t

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