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讲授计量知识。北京
向居民发放宣传材料。石景山开
5月20日是展世“世界计量日”，今年的界计主题是“计量筑基新质生产力，促进可持续发展”。量日5月15日，宣传北京市石景山区市场监管局工作人员走进社区举办计量日宣传活动，活动为社区居民宣讲计量法律法规，北京派发计量宣传卡片等，石景山开并设立咨询台，展世为社区居民答疑解惑。界计
量日彭华 中国消费者报记者董芳忠摄影报道
量日量日责任编辑：温馨宁
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