单词	纵排列
释义	同纵排列--延展展开
随便看	long-distance indicator long distance line long-distance line long distance link long-distance loop long-distance microphone long-distance navigation long distance operation long distance optical amplifier system long-distance optical amplifier system long distance optical communication long-distance order long distance race long-distance relationship long distance service long distance shipment long distance supervisory control long-distance telemetering long distance telephone long-distance telephone long-distance telephone communication long distance (telephone) line long distance telephone line long-distance traffic long distance transmission