Haivan Pass Tunnel
CONSTRUCTION
PROJECT
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Progress Report > Package IA - North Tunnel Section
Setting
form (extension from pinolic polywood) for normal section
connected to
Layby left No.1 at Main Tunnel Segment No. 29 Station 2+015.5 to 2+027.5
Đặt khuôn bê tông Đoạn 29 Hầm chính, Km. 2+015.5 ~ 2+027.5
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