矽肺是产业工人严重的职业病,它不仅危害着工人的健康,而且还严重的影响到生产任务的完成,特别在解放前和在资本主义国家的社会里,产业工人矽肺的发生和因患矽肺而死亡者,在这些工人中占着很大的数字,单以美国为例,每年因矽 Silicosis is a serious occupational disease of industrial workers. It not only endangers the health of workers, but also seriously affects the completion of production tasks. Especially before the liberation and in the society of capitalist countries, the incidence of silicosis in industrial workers and silicosis The death toll, accounting for a large number of these workers, the United States alone, for example, each year due to silicon