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	breeched breeches breeches buoy breechesflower breeches part breeches pipe breeching breeching breechless breechloader breech-loading breech mechanism breech pin breech plug breech presentation breed breed breeder breeder breeder reactor breeder tulip breediness breeding breeding breeding crate

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