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运营商之殇：5G的步伐 3G的服务
source link: https://tech.sina.com.cn/t/2020-07-15/doc-iivhvpwx5435149.shtml
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消费之后产品出现故障无处投诉？自己的合法权益受侵害但投诉无门？黑猫投诉平台24小时为您守候，消费无忧尽在黑猫！【点击投诉】新浪科技张俊2009年4月16日，三大运营商宣布正式启动3G业务，这标志着中国真正进入了“3G时代”。彼时，掌上营业厅
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