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某水电站工程于1958～1961年间施工。从事过此项工程的职工,在离尘后的二十多年中,矽肺患者累计增多。为摸清患病情况及其危害程度,我们对参加过此项工程的现有职工进行了普查,结果报告如下。本次检查共232人,接尘工龄3.2年的占96.8%。首次摄片174人,占75%。新检出各期矽肺患者35例,累计矽肺患者57例(原矽肺死亡人数除外),其中Ⅰ
A hydropower project in 1958 ~ 1961 construction. Employees engaged in this project, in the more than 20 years from the dust, the cumulative increase in silicosis patients. In order to find out the prevalence and the degree of harm, we conducted a survey of the existing staff who participated in the project and the results are reported as follows. The inspection of a total of 232 people, dust-boring service years of 3.2 years accounted for 96.8%. The first film 174 people, accounting for 75%. A total of 35 new cases of silicosis were detected in each stage, with a total of 57 cases of silicosis (except for those who died of silicosis). Among them, Ⅰ