The imported or domestic SF6 RUM cabinet or FN series air insulated Ring Network Power Supply unit can be used as ring power supply or terminal unit for high voltage room.是什么意思_The imported or domestic SF6 RUM cabinet or FN series air insulated Ring Network Power Supply unit can be used as ring power supply or terminal unit for high voltage room.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句