adj.闭路式的
The imported SEW reductor can be used in closed circuit. 采用进口的SEW减速机作闭环系统。
The closed circuit supervisory system at main public areas; l. 主要公共区域有闭路电视监控系统;
There is a closed circuit television and hi-fi system in the room. 房内有闭路电视和高保真音响。
Guest: Next Moday. By the way, is there a closed circuit TV? 客户：下周一。再问一下，房间里有闭路电视吗？
A closed circuit TV system has been installed in the laboratories. 实验室里设置了闭路电视。
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。
