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