七五砖又称“七分头”。因为它的长度是粘土普通砖的75%而得其名。七五砖使用于砖结构、砖混结构砌体的墙角、墙端、门口、窗户口等重要部位,约占工程用砖总量的4.5%。克拉玛依地区平均年产粘土普通砖2.5亿块以上,自1984年生产、推广、使用七五砖至今,已长达16年之久,其生产粘 Seventy-five bricks are also called “seven-pointers.” Because its length is 75% of clay ordinary bricks and its name. Seventy-five bricks are used in important parts such as corners, wall ends, doorways, and window openings of brick structures, masonry structures, and masonry, accounting for approximately 4.5% of the total amount of construction bricks. The Karamay region produces an average of more than 250 million clay ordinary bricks each year. Since 1984, it has been producing, promoting, and using seventy-five bricks. It has been as long as 16 years and its production is sticky.