闭路电视
bìlùdiànshì
闭路电视 — bìlùdiànshì
- closed-circuit television (CCTV)
商场安装了闭路电视以便监控顾客流动。 shāngchǎng ānzhuāng le bìlùdiànshì yǐbiàn jiānkòng gùkè liúdòng — The mall installed closed-circuit television to monitor customer movement.
bìlùdiànshì
商场安装了闭路电视以便监控顾客流动。 shāngchǎng ānzhuāng le bìlùdiànshì yǐbiàn jiānkòng gùkè liúdòng — The mall installed closed-circuit television to monitor customer movement.