中国联通是中国三大电信运营商之一，提供集宽带、固话及移动通信业务为一体的全业务通信服务。

China Unicom is one of the leading telecommunication operators in China, providing integrated telecommunication service in terms of broadband, fixed-line and mobile communication.

youdao

中国联通是中国三大电信运营商之一，提供集宽带、固话及移动通信业务为一体的全业务通信服务。

China Unicom is one of the leading telecommunication operators in China, providing integrated telecommunication service in terms of broadband, fixed-line and mobile communication.

youdao