Gas Insulated Switchgears is a kind of distributing equipment, also called Gas Insulated Substation.Due to its predominant performance, GIS is applied to power system widely.是什么意思_Gas Insulated Switchgears is a kind of distributing equipment, also called Gas Insulated Substation.Due to its predominant performance, GIS is applied to power system widely.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句