ferrum

1.Sextus Tarquinius sum;ferrum in manu est;

我是塔克文，现在手上拿着武器。

2.This article introduces a rapid analysis and adjustment of the copper and ferrum impurities in nickelage solution.

本文主要介绍了镀镍质铜、铁的快速分析和调整方法。

3.The content of the available ferrum enhanced by recycled straws, but that of the available zincum, copper and manganese had no changed obviously in soil.

秸秆直接还田提了土壤的有效铁,但对有效铜、有效锌和有效影响不大。