... 铅污染 Lead contamination 铅中毒 lead poisoning 产品从设计到投产的时间；从订货到交货的时间 lead time ...
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food lead contamination 食品铅污染
environmental lead contamination 环境铅污染
The results were as follows:1Under the stress of cadmium and lead contamination, leaves appeared chlorosis system, Cd~2+ treatment was the most obvious, the system of Acer mandshurica Max. and Lonicera maackii Max. were the most outstanding among the four tree species seedlings.
研究结果如下:1 镉铅污染胁迫下,叶片出现失绿症状,以含镉处理最为明显,苗木中以白牛槭和金银忍冬最为突出。
参考来源 - 四种城市绿化树种对土壤镉铅污染的抗性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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