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一名福州籍七旬退休老人,经过6年研究,耗费20多万,终于发明了“地下两层方形路面和地下井形叉道通路的十字路口”,并获得国家专利。
A 70-year-old retired Fuzhou citizen, after 6 years of research, spent more than 200,000, and finally invented the “underground two-story square pavement and underground well fork access road” and access to national patents.