短語詞組短語electric operating power supply 電力操作電源electric operation power supply 電力操作電源electric contactless power supply 非電氣接觸式供電electric c power supply 電力供應(yīng)electric plating power supply 電力供應(yīng);電鍍電源electric traction power supply 電力牽引供電electric operating power supply system 電力操作電源系統(tǒng)Electric Railway Power Supply System 電氣化鉄道供電系統(tǒng)mine electric power supply 鑛山供電 返回 electric power supply