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相交贵相知。在中国建材研究院工作期间,游宝坤同志在水泥品种室,我(李)在化验室,是同事,还不太熟悉。1980年后,我(李)在石家庄市水
Meet your relatives. During the work of China National Building Materials Research Institute, Comrade You Baokun was in the cement variety room, and I (Li) was a colleague in the laboratory and was not yet familiar with it. After 1980, I (Li) in Shijiazhuang city water