Excavation Work Begins on French End of 35-Mile Tunnel for Lyons-Turin Rail Line | Engineering News-Record

Nguồn: Engineering News-Record https://www.enr.com/rss/articles
Nguồn:
https://www.enr.com/articles/55596-excavation-work-begins-on-french-end-of-35-mile-tunnel-for-lyons-turin-rail-line
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