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职业性肺部疾病是指一类由吸入职业性有害因素引起的，以呼吸系统损伤为主的全身性疾病。常见的职业性肺部疾病有尘肺、职业性哮喘、棉尘病、职业性变态反应性肺泡炎及职业性肺部肿瘤等。尘 肺一、 概况尘肺是由长期吸入粉尘而发生的，以肺部进行性纤维组织增生为特征的全身性
Occupational lung disease is a type of systemic disease that is caused mainly by inhalation of occupational harmful factors and mainly by respiratory system damage. Common occupational lung diseases are pneumoconiosis, occupational asthma, cotton dust disease, occupational allergic alveolitis and occupational lung cancer. Pneumoconiosis I. Overview Pneumoconiosis is caused by prolonged inhalation of dust and is characterized by systemic pulmonary fibrosis