名词
中文翻译：私人分支交换交换机
同义词：
['private branch exchange', 'private branch exchangeswitchboard']
例句：
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1. Thecompany's private branch exchange system isstate-of-the-art.
该公司的私人分支交换系统是最先进的。
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2. The switchboard operator was instructed to route calls tothe correct department.
接线员被指示将电话转接到正确的部门。
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3. The privatebranch exchange switchboard isresponsible for managing and processing incoming calls.
私人分支交换交换机负责管理和处理传入的电话。