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高铁WiFi扩围！首列WiFi全覆盖和谐号动车组上线运营
source link: https://tech.sina.com.cn/roll/2019-12-06/doc-iihnzhfz4001608.shtml
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高铁WiFi扩围！首列WiFi全覆盖和谐号动车组上线运营
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