Transportation Economic Trends: Contribution of Transportation - Industry Snapshots

Contribution of industries to the economy and their use of transportation services to produce goods and services, including number of person employed in...各行业对国民经济的贡献，及其在商品与服务生产过程中对交通运输服务的使用情况，涵盖从业人员数量等（原文未完整呈现后续内容）