automatic telephone exchange
短语词组
- automatic c telephone exchange 自动电话交换局
- private automatic telephone exchange 专用自动电话交换机
- crossbar automatic telephone exchange 纵横制自动电话交换机
- automatic telephone exchange system [通信]自动电话交换系统
- transverse system automatic telephone exchange 纵横制自动电话交换机
- Crossbar system automatic telephone exchange 纵横制电话交换机
- Rotary System Automatic Telephone Exchange 旋转制电话交换机
- private e automatic telephone exchange 专用自动电话交换机
- cro ar automatic telephone exchange 纵横制自动电话交换机 返回 automatic telephone exchange