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由中国新型建筑材料工业杭州设计研究院承担的“七五”科技攻关项目“L 型吊墙”于1990年7月4日在杭州市通过部级技术鉴定。鉴定会由国家建材局技术发展司主持召开。来自平板玻璃行业的热工窑炉专家经过审查,一致认为 L 型吊墙设计合理,结构稳定,安全可靠,为大型玻璃熔窑技术水平的提高创造了条件。
The “L-shaped hanging wall” of the “September 5th” scientific and technological research project undertaken by Hangzhou Design & Research Institute of China’s new building materials industry passed the ministerial level technical appraisal in Hangzhou on July 4, 1990. The appraisal meeting will be hosted by the Department of Technical Development of the National Building Material Administration. Experts from the thermal glass furnaces in the flat glass industry have reviewed and agreed that the L-shaped hanging wall is of reasonable design, stable structure, safety and reliability, and has created conditions for the improvement of the technical level of large glass melting furnaces.