近日，经过建设工人一千多个日夜的奋战，国道213线甘肃张掖肃南至青海海北祁连公路重点控制性工程东山隧道顺利贯通，标志着这一连接甘肃、青海两省的“咽喉”要道全线贯通。据了解，国道213线东山隧道全长3639米，平均海拔3850米，进口位于甘肃省张掖市肃南裕固族自治县，出口位于青海省海北藏族自治州祁连县。
Subgrade, Bridges, and Tunnels of the Shenzhen Section of the Ganzhou-Shenzhen High-Speed Railway Fully Completed, Expected to Open to Traffic by Year-End
下一篇Main construction of Phase II of Hangzhou-Wenzhou Railway fully underway; first pile drilled for grand bridge crossing Hangzhou-Huangshan Railway
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