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报道:梁××,男51岁,炼铁高炉炉口工,工龄20年。作业场所铅浓度0.35～68.7mg/m~3,矿石含铅量为0.147～0.475％。
Report: Liang × ×, male 51 years old, ironmaking blast furnace mouth workers, length of service 20 years. The workplace lead concentration 0.35 ~ 68.7mg / m ~ 3, ore lead content of 0.147 ~ 0.475%.