ferrous oxide造句

1、Sometimes they'd also add ferrous oxide to the mix.
有时候，他们会在混合物中加入氧化亚铁。

2、Answer: the ferrous oxide iron quality score than big.
答：氧化亚铁含铁质量分数比大。

3、Three, for magnetic separation for the ferrous oxide content why magnetite taller jump over?
对于磁选来说为什么磁铁矿的氧化亚铁含量越高就越好？

ferrous oxide翻译