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农机人员作业区的含尘量和气体弥漫程度是进行野外农业劳动时生产环境的不利因素之一。含尘量、粉尘的化学成分和分散度,取决于工作种类、天气条件、机组运动速度等等。农机人员呼吸器官疾病的临床很少研究,没有制定出早期诊断标准。本文报告在门诊和住院条件下调查的、年龄从30～50岁的55名拖拉机手和联合收割机手所得的资料。其中45例农机人员的慢性支气管炎有临床症状,10例处于疾病初期,临床表现很少(怀疑有支气管炎)。对照组是39例工龄为
One of the unfavorable factors for the production environment of agricultural work in the field is the amount of dust and the diffuse gas in agricultural work area. Dust content, dust chemical composition and dispersion, depending on the type of work, weather conditions, unit speed and so on. There are few clinical studies of the respiratory diseases of agricultural workers and no early diagnostic criteria have been established. This article reports information from 55 tractor and combine harvesters aged 30 to 50 who were investigated in outpatient and hospitalized conditions. Among them, 45 cases of chronic bronchitis of agricultural workers had clinical symptoms, and 10 cases were at the initial stage of disease with few clinical manifestations (suspicion of bronchitis). The control group was 39 years of service