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單詞乎

closed-circuit television

closed-circuit television是什么意思、closed-circuit television怎么讀

closed-circuit television漢語翻譯

【電】 閉路電視

closed-circuit television英語解釋

名詞 closed-circuit television:

  1. a television system that is not used for broadcasting but is connected by cables to designated monitors (as in a factory or theater)
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