Definition

Examples

• 这个系统使用的是闭路电路。
  Zhège xìtǒng shǐyòng de shì bì lù diànlù.
  This system uses a closed circuit.
• 闭路电视监控着整个大楼。
  bì lù diànshì jiānkòng zhe zhěnggè dàlóu.
  Closed-circuit TV monitors the entire building.
• 我们需要检查闭路是否正常。
  Wǒmen xūyào jiǎnchá bì lù shìfǒu zhèngcháng.
  We need to check whether the closed circuit is working properly.