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一、调查对象 在从事砂轮磨光接触局部振动的作业工人108名中,出现振动性白指者[R(+)组]24名,无白指者[R(-)组]84名;男性25名,女性83名;年龄17—56岁,平均36.6岁;接触振动的作业工龄9个月—27年,平均10.2年。 另选不接触振动的健康车工、钳工、机修工共54名作为对照组。其中男37人,女17人;年龄18—54岁,平均32.7岁;工龄1-27年,平均11.5年。
First, the survey respondents engaged in grinding wheel contact with the local vibration of the 108 workers, there were vibrational white refers to the [R (+) group], no white-finger [R (-) group] 84; male 25, 83 females; aged 17-56 years, an average of 36.6 years old; working hours exposure to vibration 9 months - 27 years, an average of 10.2 years. Another non-vibration vibration health workers, fitter, mechanic a total of 54 as a control group. Including 37 males and 17 females; aged 18-54 years old, with an average of 32.7 years; length of service 1-27 years, an average of 11.5 years.