sources of heavy metals meaning in English
重金属的来源
Examples
- Distribution and source of heavy metal elements in sediments of zhanjiang harbor
粤西湛江港海底沉积物重金属的分布特征与来源 - The distribution and source of heavy metals in an important aquaculture sea area xiangshan bay
象山港重点增养殖区重金属残留量分布及污染源分析