电焊工尘肺比上海1949～1986年尘肺流行病学调查资料提供的尘肺构成所占比例增多（P<0005），并且发病年龄轻，接尘工龄短。
Compared to the corresponding constitution of pneumoconiosis from the epidemiological investigation between 1949 and 1986 in Shanghai , the percentage of welder workers in all pneumoconiosis patients was increased ( P < 0 005 ) .
轻尘