wide area telephone service

例句：

1. 1. The company offers wide-areatelephone services to its customers in the region.
   该公司向该地区的客户提供大范围电话服务。
2. 2. The new technology will revolutionize theway we communicate over wide-area telephoneservices.
   新技术将彻底改变我们通过大范围电话服务进行通信的方式。
3. 3. The governmentis investing heavily in the development of wide-area telephone services to improve connectivity.
   政府正在大力投资于发展大范围电话服务，以改善连通性。