英语词汇“photocell 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	photocell relay
释义	photocell relay photocell relay [′fōd·ə‚sel ′rē‚lā] (electronics) A relay actuated by a signal received when light falls on, or is prevented from falling on, a photocell.
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