根据国家计委《经济评价方法与参数》,中国石油天然气总公司《经济评价实用参数》,结合国内长输管道工程可行性研究报告,优选设计方案,为工程项目决策做好参谋。 According to “Economic Evaluation Methods and Parameters” of State Development Planning Commission and “Economic Evaluation Practical Parameters” of China National Petroleum Corporation, combined with the feasibility study report of domestic long-distance pipeline project and the optimal design scheme, the project will make good reference for the decision-making of construction projects.