Relevant technical problems in pipe towing and sinking for the tunnel and the measures for solving the construction difficulties are introduced.
本文叙述了隧道管段在拖运、沉放过程中有关技术问题和对工程施工难点所采取的解决措施。
Relevant technical problems in pipe towing and sinking for the tunnel and the measures for solving the construction difficulties are introduced.
本文叙述了隧道管段在拖运、沉放过程中有关技术问题和对工程施工难点所采取的解决措施。
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