heavy metallic salt

例句：

1. 1. The heavy metallic salts are used in the production of fertilizers.
   重金属盐在肥料生产中被使用。
2. 2. Heavy metallic salts can be harmful to human health if not handled properly.
   如果不妥善处理，重金属盐对人类健康有害。
3. 3.The heavy metallic salts were found to have a strong affinity for water molecules.
   研究发现，这些重金属盐对水分子有很强的亲和力。