The gateway of civil air defence basement is the weak spot of the total project, and it is a very important point but difficult one for the design.
防空地下室口部是整个工程的薄弱环节，也是建筑设计的难点和关键点，口部设计的内容除了人员和设备的出入口外，还包括通风口及其他相关设备专业的内容。
The gateway of civil air defence basement is the weak spot of the total project, and it is a very important point but difficult one for the design.
防空地下室口部是整个工程的薄弱环节，也是建筑设计的难点和关键点，口部设计的内容除了人员和设备的出入口外，还包括通风口及其他相关设备专业的内容。
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