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在道路建设过程中会不可避免的遇到高山和河流,而隧道建设则很好地解决了上述的矛盾,如穿山公路比盘山公路更简单等。但是隧道洞口施工是公路隧道建设中一个关键环节,因此,为了确保公路隧道的整体质量,就必须要确保隧道洞口工程施工的质量。
In the road construction process will inevitably encounter mountains and rivers, and the tunnel construction is a good solution to the above contradictions, such as the mountain than the Panshan highway easier. However, the construction of tunnel openings is a key link in the construction of highway tunnels. Therefore, in order to ensure the overall quality of highway tunnels, it is necessary to ensure the quality of construction of tunnel openings.