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Telecom day showcases industry development

chinadaily.com.cn | Updated: 2021-05-18 14:20
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An enterprise representative (right) introduces server cooling technology to a participant during the 2021 World Telecommunication and Information Society Day at the Zhengzhou International Exhibition and Convention Center in Zhengzhou, Henan province, on May 17, 2021. [Photo/Xinhua]
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