（）alloys, in which, iron is the principal constituent, include steels and cast irons._精华吧

（）alloys, in which, iron is the principal constituent, include steels and cast irons.

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（）alloys, in which, iron is the principal constituent, include steels and cast irons.

正确答案：Ferrous

Tag：材料概论时间：2022-01-18 21:18:05

上一篇：（）metals, by definition, have melting points are above 2000℃, some of them reaching as high as 3426℃.
下一篇：The（）steels are highly resistant to corrosion（rusting）in a variety of environments, especially the ambient atmosphere.

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