西安市混凝土预制厂和陕西省建工局机具研究所,认真贯彻执行《鞍钢宪法》,深入开展“工业学大庆”的群众运动,组织“三结合”的研制小组,研制成功空心板叠层挤压成型机(图1)。 这台机器可重叠生产十二层,具有体积 Xi’an Concrete Prefab Factory and Machinery Research Institute of Shaanxi Construction Engineering Bureau, conscientiously implemented the “Anshan Iron and Steel Constitution”, carried out the “massive Daqing” mass movement, organized a “three-in-one” development team, and successfully developed the hollow-core laminated extrusion. Press forming machine (Figure 1). This machine can be overlapped to produce 12 layers with volume