闭路

bìlù

闭路 — bìlù

1. closed circuit; a circuit in which the path for current is complete so that electricity can flow (also used for closed-loop systems)

   这个设备使用闭路系统来保证信号不泄漏。 zhège shèbèi shǐyòng bìlù xìtǒng lái bǎozhèng xìnhào bù xièlòu — This device uses a closed-circuit system to ensure signals do not leak.