尘肺是严重危害工人健康的职业病。我国从事煤矿开采的工人数占各类矿业的首位，煤工尘肺（Ｃｏａｌｗｏｒｋｅｒｓ’Ｐｎｅｕｍｏｃｏｎｉｏｓｉｓ，ＣＷＰ）病例数亦属最多。随着采矿机械化程度的提高，很多煤矿采掘工作面的呼吸性粉尘浓度较前增高。新的病例尚不断发生... Pneumoconiosis is an occupational disease that seriously affects the health of workers. The number of workers engaged in coal mining in China ranks first in various types of mining industry. Coalworkers’ pneumoconiosis (CWP) also has the largest number of cases. As the degree of mining mechanization increases, the concentration of respirable dust in many coal mining face increases. New cases continue to occur ...