The switch modules for the Models 2700 and 2750 include isolation relays that allow the outputs to be connected or disconnected from the backplane.是什么意思_The switch modules for the Models 2700 and 2750 include isolation relays that allow the outputs to be connected or disconnected from the backplane.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句