The influence of the traffic air exchange force on ventilation in tunnels is not negligible.

交通换气力对隧道通风的影响是不容忽视的。

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The paper presents the methods and researching condition of tunnel fire, the characteristic of emergency ventilation, and the system of rescuing and putting out fire in tunnels.

论文介绍了隧道火灾的研究方法及现状，火灾事故应急通风的特点，以及隧道火灾通风灭火救援体系。

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The advices to organize ventilation when tunnels are on fire are given in the end.

论文最后提出了隧道发生火灾时的通风组织措施。

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The MTA took extensive measures before the storm to limit the amount of water flooding into tunnels, including by boarding up ventilation grates in low-lying stations, piling sandbags at station entrances, inflating a rubber dam in the Long Island Rail Road's West Side yards in Manhattan and hastily erecting a floodwall across the mouth of the No. 3 train tunnel near East 148th Street in Harlem.

WSJ: Salt Water Puts City's Subway System 'in Jeopardy'

Murphy says the original design plans were recently discovered, showing how the property was rigged with 200-kilowatt generators, massive air-intake tunnels and a custom ventilation system to be used in the face of disaster.

FORBES: Connect