1·The key factor for defending children' plumbism is intervention the living environment and health education.
预防儿童铅中毒的关键是环境干预与健康教育。
2·The effects of Zhenzhugai on Pb expelling were studied. The results showed that it can increase the excretion of Pb in urine and decrease Pb concertration in bones. It can also prevent plumbism.