随着城乡基本建设的迅猛发展，我国每年对烧结砖的需求量高达８千亿块。砖厂遍布全国城乡各地，目前，在包头近郊区有各类砖厂７８家。这其中，有的砖厂只生产烧结普通砖，有的既生产烧结普通砖又生产烧结多孔砖，年产量可达１０亿块左右。经测定，每生产５００万块烧结普... With the rapid development of urban and rural infrastructure, China’s annual demand for sintered bricks is as high as 800 billion. The brick factory spreads all over the country and urban areas. Currently, there are 78 brick factories in the suburbs of Baotou. Among these, some brick factories only produce sintered ordinary bricks, and some produce both sintered ordinary bricks and sintered porous bricks, with an annual output of about 1 billion pieces. It has been determined that each production of 5 million sintered Pu...