缩写
中文翻译：电话交换局同义词
同义词：
['exchange', 'switchboard']
例句：
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1. The PBX system is responsible for managing the communication between different departments in the company.
PBX系统负责管理公司不同部门之间的通信。
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2. The PBX was designed to provide a centralized control over all phone lines within the office.
PBX设计为集中控制办公室内所有电话线路。
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3. The PBX system is widely used in large organizations due to its efficiency and reliability.
由于其效率和可靠性，PBX系统在大型组织中被广泛使用。