Haivan Pass Tunnel
CONSTRUCTION PROJECT

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As of November 2003 - Home | Next

Main Tunnel Main Drain D400 Filling Filter Cement Aggregates up to Sta. 3+023; L=1,313.6m

Ống thoát nước chính tại Hầm chính với bộ lọc xi măng

Tháng 11/2003 - Trở về


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