crust of iron
英
美
- 铁渣
双语例句
- Leaching of arsenic from arsenic and iron slag obtained from cobalt metallurgy with sodium hydroxide has been studied.
研究了用氢氧化钠浸出钴冶金过程中产出的高砷铁渣中的砷。 - The best presidents are like magnets below a piece of paper, invisibly aligning iron filings into a new pattern of their making.
最好的总统，就像放在纸下面的一块磁铁，虽然看不见，但会吸引铁渣形成新的图案。
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