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地方性氟中毒是周口地区地方病主要病种之一，给当地群众的身体健康和生活生产造成了严重的影响，各级政府和有关部门对地方性氟中毒的防治工作十分重视。自１９８２年以来，主要采用降氟改水的方法防治地方性氟中毒，针对降氟改水防治氟中毒的综合效益，运用科学的方法，进行
Local fluorosis is one of the major endemic diseases in Zhoukou area, which has a serious impact on the health and life of local people. Local governments and relevant departments attach great importance to the prevention and control of endemic fluorosis. Since 1982, the main method of reducing fluoride fluoride to prevent and control endemic fluorosis, fluorosis to water for the prevention and treatment of fluorosis comprehensive benefits, the use of scientific methods