基础释义
例句
英英词典释义

福克斯词典 \ 英汉词典 \

columbite是什么意思？

columbite

英[kə'lʌmbaɪt] 美[kə'lʌmbaɪt]

n. 钶铁矿；

相关单词 mangancolumbite

例句

The measurement indicates that the optimized performance can be achieved by three - element composite columbite precursor methods. 性能测试结果表明,三组元复合先驱体法制成样品的性能最佳.
There is high tantalite grade for certain large scale granite - pegmatite pattern tantalite - columbite mine in our country. 我国某大型花岗伟晶岩型铌钽矿含钽品位高居我国钽铌矿山之首.

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英英词典释义

Noun
1. a black mineral that is an ore of niobium and tantalum

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