[Micro Video] S28 Line Linghua Expressway Project Xujiashan Tunnel is fully connected
Author:Gansu released Time:2022.08.31
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On August 29, the left hole from the Lingtai to Huating Expressway Xujiashan Tunnel on Line S28 successfully penetrated the left hole, marking the realization of the Xujiashan Tunnel to achieve dual hole penetration.It is understood that the Xujiashan Tunnel is the longest tunnel and key control projects across the Linghua Expressway.
Source: visual audiovisual Gansu client
Edit: Du Ying Editor: Zhu Wang School Review: Wang Xuexiang
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