闭路电视用英文怎么说?

闭路电视:
1. wired television
2. closed circuit television
3. closed-circuit television (CCTV)
4. a closed-circuit television
5. closed-circuit
6. closed circuit TV

在闭路电视系统上转播这次事件
broadcast the event on a closed - circuit TV linkup.

closed circuit television 简称CCTV

closed circuit television

或者 wired television

闭路电视就是有线电视把？cable television.一定的。

感觉cable TV更好

closed circuit TV