还显示，铅高儿童的锌与钙普遍缺乏，可能为铅蓄积的重要促发因素，值得重视。

This research also showed that the children with high lead were lack of zinc and calcium. It maybe was the important reason that resulted in high lead in organism.

youdao

还显示，铅高儿童的锌与钙普遍缺乏，可能为铅蓄积的重要促发因素，值得重视。

This research also showed that the children with high lead were lack of zinc and calcium. It maybe was the important reason that resulted in high lead in organism.

youdao