英语语法分析

The signals will cover platforms and mezzanines but will extend only a short distance into tunnels.

目前手机信号将覆盖整个站台以及夹层，但进入隧道后就只能覆盖很小一段距离了。

There is also a covered courtyard under the central tower, a nap room beneath a vaulted roof, and mezzanines in both wings.

在中央大厦下面有一个隐蔽的庭院，一个拱形屋顶下有一个午睡室，两翼都有夹层。

In-between is mezzanines with different heights so as to create ventilation and to ensure the compliance to building regulations.

中间是具有不同高度的夹层，以便创造通风并确保遵守建筑法规。