electronic telephone circuit

例句：

1. 1. The new phonesystem is designed to improve the quality ofcommunication.
   新电话系统旨在提高通信质量。
2. 2.The technicians were able to troubleshootthe electronic telephone circuit quickly.
   技术人员能够迅速解决电子电话线路的问题。
3. 3. Thecompany's new productline includes a range of electronictelephone circuits for different needs.
   该公司的新产品线包括一系列针对不同需求的电子电话线路。