- 闭路电视共用天线系统
- closed circuit television system: 闭路电视监控系统; 闭路电视系统
- closed-circuit television reading system: 闭路电视阅读系统
- catv common antenna television: 共用天线,有线电视
- cctv closed circuit television: 闭路电视,工业电视
- closed circuit industrial television: 工业用闭路电视
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