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1989年我省已完成尘肺流调工作,截至1986年底为止,共查明县及县以上国营厂矿企业中粉尘作业工人为180 562人,其中
As of the end of 1986, a total of 180 562 dust-polluting workers in state-owned factories and mines in counties and above counties were identified, of which,