The smoke control mode of the tunnels is use of the TVF (Tunnel Ventilation Fan) and JAF (Jet Air Fan) of the station.是什么意思_The smoke control mode of the tunnels is use of the TVF (Tunnel Ventilation Fan) and JAF (Jet Air Fan) of the station.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句