The increment telecommunication service is refers to the telecommunication which and the information service the use public network infrastructure provides.
增值电信业务是指利用公共网络基础设施提供的电信与信息服务的业务。
The increment telecommunication service is refers to the telecommunication which and the information service the use public network infrastructure provides.
增值电信业务是指利用公共网络基础设施提供的电信与信息服务的业务。
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