Haivan Pass Tunnel
CONSTRUCTION
PROJECT
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Progress Report > Package IA - North Tunnel Section
Preparation for Concreting (1st Block) at Inlet Side of Electrostatic Precipitator Block No.2 at Station 0+012.92 ~ 0+018.92
Chuẩn bị đổ bê tông đoạn số 2 hầm lọc bụi tĩnh điện
Tháng 05/2003 - Trở về
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