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北京铁路总医院与北京铁路局中心卫生防疫站组成体检组,于1984到5月对管区141名电气焊工(指同一焊工既从事电焊,又从事气焊者)进行了健康检查。此外,还选择了与焊工组年龄,性别组成及工作条件大致相同的非焊工作业人员为对照组同时进了检查。一、一般概况北京铁路地区焊工作业分散在24个单位,主要使用T422型低炭钢焊条,工作地点空气中电焊烟
The Beijing Railway General Hospital and Beijing Railway Bureau Central Health and Epidemic Prevention Station formed a medical examination team to conduct a health examination of 141 electrical welders (referring to the same welder engaged in welding and gas welding) from 1984 to May. In addition, non-welder workers who selected about the same age, gender composition and working conditions as the control group were selected for inspection at the same time. First, the general profile Beijing railway area welder job scattered in 24 units, the main use of T422 low carbon steel electrode, the workplace welding fumes