Pb contamination

• 铅污染

Pb contamination的用法和样例：

例句

1. There will always be a small amount of lead contamination from the refining process of tin.
   在锡的精炼工艺中总是会导致少量的铅污染。
2. Mycorrhizae colonization of the three species and the nodule biomass of K. striata were reduced by elevated soil Pb concentration compared to control.
   与对照相比，铅污染显著降低了鸡眼草的菌根侵染率和根瘤生物量。