名词
中文翻译：四线制切换中心
同义词：
['Four-wire switch', 'Four-wire switch center']
例句：
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1.The four-wire switching center is responsible for managing the communication between different systems.
四线制切换中心负责管理不同系统之间的通信。
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2. The four-wire switching center has been upgraded to support more advanced features.
四线制切换中心已经升级，以支持更先进的功能。
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3. The four-wire switching center plays a crucial role in ensuring the reliability of the communication network.
四线制切换中心在确保通信网络可靠性方面起着至关重要的作用。