遵照伟大领袖毛主席“打破洋框框,走自己工业发展道路”的教导,结合某地区工程实际,由三机部四院、国家建委五局建研所和五局三、八、九团的工人、干部和技术人员组成了“三结合”试制小组,通过学习外地先进经验,经过多次试验摸索,终于试验成功了长线重迭生产的预应力空心屋面板。一年来的生产实践表明,采用这种生产 In accordance with the guidance of the great leader Chairman Mao “Breaking through the ocean, taking the path of its own industrial development”, combined with the reality of the engineering in a certain area, the three institutions, the Fourth Institute, the State Construction Commission, the Fifth Institute of Research Institute, and the workers of the 5th, 3rd, 8th, and 9th regiments The cadres and technicians formed a “three-in-one” trial team. After learning advanced experience from other countries, after several trials and trials, they finally succeeded in testing long-overlap prestressed hollow roofing panels. Production practice in the past year shows that this production is adopted