铁路货运量需求预测在国家和区域经济发展规划中具有重要作用的翻译：Rail freight demand forecasting planning at the national and regional economic development has an important role in 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Rail freight demand forecasting at the national and regional economic development planning has an important role

Rail freight demand forecasting planning at the national and regional economic development has an important role in

The railroad transported goods volume demand forecast has the vital role in national and in the region economy development plan

Rail freight demand forecasts at the national and regional economic development planning has an important role in

Rail freight demand forecasting planning at the national and regional economic development has an important role in