Ferrous alloys are those in which the base or primacy metal is iron...

含铁类合金中的基本或主要金属是铁质。

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Metallurgical workers always try to replace the nonferrous metals with some ferrous alloys.

冶金工作者总是试图用黑色合金来替换有色金属。

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Metallurgical workers always try to replace the non ferrous metals with some ferrous alloys.

冶金工作者总是试图用黑色合金来替换有色金属。

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Information provided by Metal Pages, a news site that focuses on non-ferrous metals, ferro alloys and rare earths, indicated that rare earth elements exports have dropped 65% in 2011 and that China has only exported 11, 000 metric tons of rare earths through the first three quarters of the year.

FORBES: 2012 Outlook: Uncertainty Continues For Rare Earths Prices, China Still Major Player