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1.the iron carbide constituent of steel and cast iron; very hard and brittle.
碳化物,组成钢和铸,极硬极脆。收藏指正
2.sheet iron
板,收藏指正
3.cosmic iron
4.wrought iron
5.Armco Iron
阿姆科收藏指正
6.crude iron;
7.electric iron
8.cast iron;
9.wrought iron;
10.pig iron
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