Haivan Pass Tunnel
CONSTRUCTION
PROJECT
Welcome to Our Site!
Progress Report > Package IA - North Tunnel Section
Gantry Frame for Sliding Form (dis-assembling steel lining sheet at Portal VA) Preparation for Moving at VA Enlargement Section
Khuôn trượt chuản bị cho khu vực nới rộng hầm thông gió
Tháng 05/2003 - Trở về
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