名词
中文翻译：隧道拱顶
同义词：
['tunnel arch', 'tunnel crown例句：1. The tunnel vault is a crucial part of the construction process.（隧道拱顶是施工过程中至关重要的部分。）']
例句：
-
1. The tunnel vault is a crucial part of the construction process.
隧道拱顶是施工过程中至关重要的部分。
-
2.The tunnel vault was designed to withstand extreme pressures.
隧道拱顶被设计来承受极端压力。
-
3. The tunnel vault provides structural support for the tunnel walls.
隧道拱顶为隧道墙壁提供结构支撑。