toll telephone
短语词组
- toll automatic telephone 长途自动电话
- toll call telephone 长途电话机
- toll telephone network 长途电话网;长途电话线路
- toll telephone switching system 长途电话交换机;长话交换机
- toll -free telephone 免费电话
- toll telephone service 长途电话业务
- toll telephone circuit [通信]长途电话线路
- toll telephone exchange tester 长途电话交换测试员
- toll telephone system 长途电话系统;长途电话 返回 toll telephone