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  Steel

Sigma KEE - Steel
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
A MetallicAlloy made from Iron and other elements.
Relationships      
Parents 金属合金 A Mixture of two or more Metals, and possibly nonmetallic elements as well. For example, steel is an alloy containing iron and manganese.


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