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为了解锰对接触者健康的影响,并为锰中毒早期诊断指标提供依据,我们于1981年7月对某锰矿锰接触者进行了横切调查(Cross Seet-ion Survey).兹将调查情况报道如下. 调查对象
To understand the impact of manganese on the health of contacts and to provide a basis for the early diagnosis of manganese poisoning, we conducted a Cross Seet-ion Survey of a Mn-Mn contact in July 1981. We report the investigation As follows