求翻译：通过对平西高速公路项目效益后评价可以使高速公路投资决策更加的科学合理，降低高速公路的决策投资风险。同时，效益后评价可以总结高速公路建设管理经验，监督和促进高速公路的经营管理，及时发现经营的过程中存在的问题并提出合理的措施，保证高速公路拥有自己的财务生存能力是什么意思？

Evaluation can make the highway investment decisions more scientific and reasonable, reduce the investment risk of the highway decision-making by the the Pingxi highway project benefits. At the same time, the effectiveness of the evaluation can be summarized as highway construction and management ex

By the afternoon highway project effectiveness can be evaluated after the highway investment decision-making more the scientific and rational decision-making, and reduce the highway investment risk. Also, the benefit can be summed up after highway construction management experience, and supervision

Through after sets the highway project benefit the appraisal to be possible to cause the highway investment decision-making even more science to be reasonable, reduces the highway the decision-making investment risk.At the same time, after the benefit the appraisal may summarize the highway construc

Pingxi Expressway Project post evaluation can benefit through the highway investment decisions more scientific and reasonable, reduced the decision-making of Expressway investment risk. At the same time, after the benefit evaluation of Expressway construction management experience can be summed up,

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