A small, sunken area allowing access or light and air to basement doors or windows.
A small, sunken area allowing access or light and air to basement doors or windows.
采光井允许出入或光线和空气进入地下室门窗的凹陷的小区域
A small, sunken area allowing access or light and air to basement doors or windows.
采光井允许出入或光线和空气进入地下室门窗的凹陷的小区域