论文部分内容阅读
三明市不同年代24年煤工尘肺患病情况调查结果表明,随着年代的推移,煤工尘肺检出率逐渐增高,其发病工龄、晋期年限延长,差别有统计学意义。
Sanming City, 24 years of different age coal workers pneumoconiosis prevalence survey results show that with the passage of time, coal workers increased the detection rate of pneumoconiosis, the length of their service years, the extension of the Jin period, the difference was statistically significant.