private manual branch exchange是什么意思


中文翻译专用人工小交换机

网络释义

1)private manual branch exchange,专用人工小交换机2)private manual exchange,专用人工交换机3)PBX Private Branch Exchange,专用小交换机4)private branch exchange PBX,专用小型交换机5)Internet Protocol Private Branch Exchange,IP专用小交换机6)Private Branch Exchange PBX,用户交换机,专用交换机,小交换机

用法例句

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