Haivan Pass Tunnel
CONSTRUCTION
PROJECT
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Progress Report > Package IA - North Tunnel Section
Form No.2 Second Lift Center Wall Completion Assembling at Ventilation Adit for Csting Concrete Starting Sta. 0+471.63~ 0+483.59 Block No. 74; L=11.96m
Đặt khuôn bê tông thứ 2 tường phân cách, Hầm thông gió
Tháng 03/2004 - Trở về
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