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

单词	backup protection
释义	backup protection backup protection In an electrical system, a type of protection initiated by a sensing device that detects a failure of a protective element (such as a circuit breaker); in that event, the next upstream protective device takes over the protective function.
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