Haivan Pass Tunnel CONSTRUCTION PROJECT
Progress Report > Package IA - North Tunnel Section
As of November 2002 - Home | Next
Ventilation Adit - Good rock condition class B~A
Hầm thông gió - bề mặt đá tốt loại B~A
Tháng 11/2002 - Trở về This homepage is presented by the Consultant Team Any further question should be forwarded to Webmaster or Consultant Team
Tháng 11/2002 - Trở về
This homepage is presented by the Consultant Team
Any further question should be forwarded to Webmaster or Consultant Team
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