渝昆高铁建设今日迎两大进展 站前主体工程已基本成型

Core Viewpoint - The construction of the Yukun High-speed Railway has made significant progress with the successful completion of key construction milestones, laying a solid foundation for the railway's full operation [1] Group 1: Project Progress - The Longshui Airport Station, which connects to the airport via an underground tunnel, has successfully completed the pouring of the top slab in the open-cut section [1] - The upper structure of the major bridge has also been constructed, contributing to the overall progress of the Yukun High-speed Railway [1]