closed-circuit television
closed-circuit television是什么意思、closed-circuit television怎么读
【电】 闭路电视
closed-circuit television汉语翻译
【电】 闭路电视
closed-circuit television英语解释
名词 closed-circuit television:
- a television system that is not used for broadcasting but is connected by cables to designated monitors (as in a factory or theater)