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π型多功能通气隔热砖是一种新型节能墙体材料，针对两种不同材料的特点进行了试制和测试，使粘土烧结π型多功能砖形成生产能力，满足实验太阳房工程的需要。π型砖的研制试验及性能测试根据胶凝材料的不同，免烧砖大致分为石灰凝结型、水泥胶结型和水泥－石灰混合胶结型...
The π-type multi-function ventilated and heat-insulating brick is a new type of energy-saving wall material. It has been trial-produced and tested according to the characteristics of two different materials, so that the clay-sintered π-type multi-functional brick can form production capacity and meet the needs of the experimental solar house project. Pi-brick development trials and performance testing based on the different cementing materials, unburned bricks can be roughly divided into lime coagulation, cement cementation and cement-lime mixed cement...