close circuit meaning in English

闭合通路
通路,闭合电路

In order for there to be an induced current, we must have a closed circuit .
为了出现感生电流，我们必须有闭合回路。
The plant is operated entirely by remote control and monitored by closed circuit television or periscope .
这个工厂完全用遥控操作，而且用封闭电路电视或展望镜来监视。
The guy is a closed circuit . let me at him
这伙计是个闭合电路。让我来对付他。
Wiring diagram for open close circuit alarm input
接线柱式接线图统一输出十六路
Multimedia closed circuit supervision system
用图文电视构成数据广播式的校园网络系统

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