Haivan Pass Tunnel
CONSTRUCTION
PROJECT
Welcome to Our Site!
Progress Report > Package IA - North Tunnel Section
Base Course Density Test for Second Layer at Main Tunnel at every 200m (10 points) between Station 1+781 ~ 3+700 (witnessed by the Engineer)
Kiểm tra tỷ trọng lớp móng dưới tại Hầm chính
Tháng 03/2004 - Trở về
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