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职业尘源性支气管炎是由于长期吸入生产性粉尘所引起。是一种起病缓、逐渐加剧、发病率高的一种疾病。发病机制较为复杂,学说不一。其中生产性粉尘污染对慢性非特异性疾病的发生有一定意义。植物神经功能障
Occupational dust-borne bronchitis is caused by prolonged inhalation of productive dust. Is a slow onset, and gradually increased, a high incidence of a disease. Pathogenesis is more complicated, different doctrines. Among them, productive dust pollution has some significance to the occurrence of chronic nonspecific diseases. Autonomic dysfunction