This paper analyses the state of the environment ventilation system in Beijing subway, and discusses the contents, principles and ways to change ventilation system.It points out the necessary conditions for a ventilat...This paper analyses the state of the environment ventilation system in Beijing subway, and discusses the contents, principles and ways to change ventilation system.It points out the necessary conditions for a ventilation system to work with high efficiency. Several new plans are put forward to be compared with each other, and the viable plan is recommended to reform the environment ventilation system.展开更多
文摘This paper analyses the state of the environment ventilation system in Beijing subway, and discusses the contents, principles and ways to change ventilation system.It points out the necessary conditions for a ventilation system to work with high efficiency. Several new plans are put forward to be compared with each other, and the viable plan is recommended to reform the environment ventilation system.
