closed air-circuit watercooled machine带水冷却器的闭路空冷式电机
closed air-circuit water-cooled type闭合空气回路水冷却式
closed-circuit television闭路电视;闭路式电视;有线电视;闭路电视监控系统
closed-circuit TV闭路电视;通过电缆或光缆传送图像信号的电视系统
closed-circuit nozzle闭循环式喷嘴
closed-circuit connection闭路接线法
closed-circuit filling闭路加注
closed-circuit turbine闭循环涡轮
closed-circuit radio闭路收音机
ADJ（形容词） 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。