名词
中文翻译：私人电路
同义词：
['private line', 'private branch', 'private link']
例句：
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1.The company has a private circuit for its employees to use.
该公司为员工设有专用电路。
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2.The private circuit is essential for the operation of the communication system.
专用电路对于通信系统的运行至关重要。
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3. The private circuit was used to transmit sensitive information during the emergency response.
在紧急响应期间，专用电路被用来传输敏感信息。