短語詞組短語electrified railway construction 電氣化鉄路工程;電氣化鉄道工程;電氣化鉄道施工industry frequency electrified railway 工頻電氣化鉄道;工頻電氣化鉄路dc electrified railway 直流電氣化鉄道Proportion of electrified railway 電氣化率electrified meter gauge railway 電氣化米軌鉄路electrified railway contact net 電氣化鉄路接觸網(wǎng)Electrified railway maintenance 電氣化鉄道養(yǎng)護an electrified railway tunnel 電氣化鉄路隧道Electrified railway engineering 電氣化鉄道工程 返回 electrified railway