closed-circuit
柯林斯词典
1. ADJ A closed-circuit television or video system is one that operates within a limited area such as a building. 闭路式的[ADJ n]
There's a closed-circuit television camera in the reception area. 接待处有一台闭路电视摄像机。
返回 closed-circuit
1. ADJ A closed-circuit television or video system is one that operates within a limited area such as a building. 闭路式的[ADJ n]
There's a closed-circuit television camera in the reception area. 接待处有一台闭路电视摄像机。