Haivan Pass Tunnel
CONSTRUCTION PROJECT

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Progress Report > Package IV - Mechanical Works

As of August 2004 - Home | Next

Concrete Placing for Pipe Foundation at SPP, Before Backfill

Đổ bê tông đường ống tại khu vực cửa hầm phía Nam trước khi thi công đắp trả

Tháng 08/2004 - Trở về


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