hemoconia ; hemaconia ; plasmacule
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本文测定了瓷尘作业环境及72名工人血、尿的铅量，并用症状评分法评价其对工人的危害。
The blood and urine lead level were determined from 72 workers exposed to different porcelain dust. Symptom scoring method was used to evaluate the severity of the hazard to workers.
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