复印机所致的职业危害李钰（四川省绵阳市卫生防疫站）室内操作复印机是臭氧的主要来源，臭氧的产生严重影响操作间的空气质量，并时呼吸道有强烈刺激。实验研究表明低浓度臭氧主要引起肺小叶中央的近端肺泡及区损伤，细支气管上皮纤毛丧失，巨噬细胞在近端肺泡区聚集及肺... Occupational hazards caused by copiers Li Yu (Mianyang City, Sichuan Province Health and Epidemic Prevention Station) indoor operation Photocopier is the main source of ozone, the ozone production has a serious impact on the air quality between the operation, and respiratory tract when there is a strong stimulus. Experimental studies have shown that low concentrations of ozone mainly cause proximal alveolar and regional lung lobular injury, loss of bronchiolar epithelial cilia, macrophages in the proximal alveolar area and lung aggregation ...