This paper discusses the construction plan of highway tunnel by zero excavation.
文章论述了高速公路隧道采用零开挖进洞的施工方案。
The research on the scale of highway network is an important part of highway network plan.
路网规模研究是公路网规划的重要内容。
The research on the scale of highway network is an important part of highway network plan.
路网规模研究是公路网规划的重要内容。
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