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单词 Nonferrous metal
释义

Nonferrous metal

原声例句
VOA Daily Standard 2022年4月合集

The EU has made an exception for vehicles transporting pharmaceuticals, food, agricultural products, energy, fertilizers, and nonferrous metals.

欧盟规定运输药品、食品、农产品、能源、化肥和有色金属的车辆例外。

英语百科

Non-ferrous metal

In metallurgy, a non-ferrous metal is a metal, including alloys, that does not contain iron (ferrite) in appreciable amounts. Generally more expensive than ferrous metals, non-ferrous metals are used because of desirable properties such as low weight (e.g. aluminium), higher conductivity (e.g. copper), non-magnetic property or resistance to corrosion (e.g. zinc). Some non-ferrous materials are also used in the iron and steel industries. For example, bauxite is used as flux for blast furnaces, while others such as wolframite, pyrolusite and chromite are used in making ferrous alloys.

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更新时间:2025/6/20 1:06:50