spiegeleisen
名词 n.
英文释义
名词 n.
-
A ferromanganese alloy containing approximately 15% manganese and small quantities of carbon and silicon.
— Historically, spiegeleisen was the standard form in which manganese was traded and used in steelmaking.
词形变化
词源
From German Spiegeleisen (literally “mirror iron”).
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数据来源: Wiktionary