11月28日，首届中国国际供应链促进博览会在北京开幕。此次链博会的数字科技链展区有近70家企业参展，涵盖新一代信息技术的最新成果。请跟随记者镜头，一探究竟！
记者：王修楠 王普 谢晗
新华社音视频部制作
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