英语词汇“low-voltage 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	low-voltage relay
释义	low-voltage relay low-voltage relay [′lō ¦vōl·tij ′rē‚lā] (communications) A relay that responds to the drop in voltage (increase in current) when a telephone line becomes active; used to activate interception and eavesdropping equipment.
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