If a digital output is required to drive a different voltage, or the cards total current output is likely to be exceeded, the digital output should drive an interposing relay of a modular type.是什么意思_If a digital output is required to drive a different voltage, or the cards total current output is likely to be exceeded, the digital output should drive an interposing relay of a modular type.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句