collective-electric telephone

例句：

1. 1. This new collective-electric telephone system is expected to significantly improve communication efficiency.
   这个新的集体电话系统预计将显著提高通信效率。
2. 2. The company has launched a new collective-electric telephone system to meet the growing demand for high-speed internet services.
   该公司推出了一个新的集体电话系统，以满足对高速互联网服务不断增长的需求。
3. 3. The collective-electric telephone system has greatly improved the quality of life in our community.
   集体电话系统极大地提高了我们社区的生活质量。