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一九七八年三月,在北京航空学院五○五教研室的大力支持下,我厂制造了一台空气涡轮制冷车(外观见图),向全国科学大会献礼。
In March 1978, with the strong support of the Department of Teaching and Research at Beijing Institute of Aeronautics and Astronautics, a factory equipped with an air-cooled turbomachine (pictured) was given a gift to the National Science Conference.