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ZH金刚砂Noun
ZH
碳化矽（英語：silicon carbide，carborundum），化學式SiC，俗称金刚砂，宝石名称钻髓，为硅与碳相键结而成的陶瓷状化合物，碳化矽在大自然以莫桑石这种稀有的矿物的形式存在。
碳化硅
bn:00071592n Concept
EN
An abrasive composed of silicon carbide crystals
碳化硅
bn:00015888n Concept
EN
A hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper)
刚玉粉
bn:00030536n Concept
English:
rock
mineral
ZH
金剛砂（英語：Emery）是位於美國伊利諾伊州梅肯縣的一個非建制地區。
bn:25644221n Concept

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