英语词汇“phase undervoltage relay”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	phase undervoltage relay
释义	phase undervoltage relay phase undervoltage relay [′fāz ′ən·dər‚vōl·tij ′rē‚lā] (electricity) Relay which functions by reason of the reduction of one phase voltage in a polyphase circuit.
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