根据本发明，用于在空气引导通道的第一和第二部分之间提供密封的 所有密封唇形成在外部接头件上并且至少部分地包围内部接头件的外 表面。
All sealed lips provided between the first and second parts of the air guide chunnel forms on the exterior joint member and encloses exterior surface of the inner joint member at least partly.
当穹顶关闭时，空气的更新将会通过安装在地下通道外部周边风罩提供，这样空气流动将主要由风力驱动。
When the Dome is closed, air renovation will be provided by underground channels fed by wind cowls installed on the external perimeter. Air movement will be mainly wind-driven.
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