英语词汇“backup relay”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	backup relay
释义	backup relay noun : a secondary relay to protect a power system against faults in the event of failure of the primary relay to function as desired
随便看	urous uroxanic uroxanic acid ursid ursidae ursiform ursigram ursine ursine ursine baboon ursine dasyure ursine howler ursine seal ursinia ursoid ursolic ursolic acid ursprache ursula ursula butterfly ursuline ursus urta urta-juz urtica

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