社会经济效益评价是铁路干线路网规划及建设项目决策的重要前提和依据。

Socioeconomic benefit evaluation is the main precondition and foundation in railway project planning and decision.

youdao

社会经济效益评价是铁路干线路网规划及建设项目决策的重要前提和依据。

Socioeconomic benefit evaluation is the main precondition and foundation in railway project planning and decision.

youdao