“用肉眼观看,优质油品与劣质油品的区别是……”在唐山市中心纪念碑广场的“3·15”维权宣传活动中,身披绶带、着鲜艳中国石油工装的工作人员格外引人注目。面对围拢的人群,他们正在向消费者耐心讲解假冒油品的危害、如何识别真假优劣等相关知识。 “With the naked eye, the difference between high-quality oil and low-quality oil is ...” At the “March 15” rights advocacy campaign at Tangshan City Center Monument Square, staff wearing brightly colored Chinese petroleum jigsaws attracted the most attention Attention. In the face of crowds, they are patiently explaining to consumers the dangers of counterfeit oil products, how to identify the advantages and disadvantages, and other related knowledge.