房屋建筑材料是基本建设的物质基础,它担负着为民用、公共、工业建筑以及交通、能源、农业、水利电力和国防工程等部门提供建筑材料制品和部件的繁重任务。房屋建筑材料量大而广,种类繁多,在房屋建筑中约占总重量的85%,全国年用量达7亿多 Building construction materials are the material foundation of the basic construction. They are responsible for the heavy tasks of providing building materials and components for civil, public, industrial construction, transportation, energy, agriculture, water power, and national defense engineering. The amount of building materials is large and wide, with a wide range of types. It accounts for about 85% of the total weight in housing construction, and the annual consumption of the country is over 700 million.