Haivan Pass Tunnel
CONSTRUCTION
PROJECT
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Progress Report > Package IA - North Tunnel Section
East side cable duct/side drainage with pre-cast catch basin at main tunnel up to sta. 2+810.5
Đổ bê tông rănh cáp điện và rănh thoát nước phía Đông
Tháng 06/2003 - Trở về
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