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盛世云商···································································封面

盛世云商········································································封二

太原吉亿达科技有限公司····································封三

天津和顺达精密带钢有限公司·································封底

2019中国（华南）国际机器人与自动化展览会······前彩1

中国汽车技术研究中心··············································前彩2

北京时代贝林机电设备有限公司······························前彩3

2019中国（北京）国际工业智能及动力传动与自动化展览会······················································································前彩4