英语词汇closed-circuit television怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	closed-circuit television
释义	closed-circuit televisionBrE /ˌkləʊzd ˌsɜːkɪt ˈtelɪvɪʒn/NAmE /ˌkloʊzd ˌsɜːrkɪt ˈtelɪvɪʒn/ noun [U] (abbreviation CCTV) a television system that works within a limited area, for example a public building, to protect it from crime 闭路电视
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