Haivan Pass Tunnel
CONSTRUCTION
PROJECT
Welcome to Our Site!
Progress Report > Package IA - North Tunnel Section
Center Drainage - 2nd Group Started at 4+606.60
Hệ thống thoát nước giữa – nhóm thứ hai bắt đầu tại 4+606.60
Tháng 01/2004 - Trở về
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