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Iot Smart Home Concept - rear view of asian woman ask digital tablet to set temperature of air conditioner more higher by voice at home and all the electric meter in house getting energy-efficient

视  频 ID：  1070401966
版      权：  aslysun
视频长度：  0:11
横纵比率：  1.90:1
所属分类：  人物 科技 
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