columbite
n.钶铁矿
网络解释.铌铁矿；钶铁矿；钶铁石
双语例句
1. 1 . The processing mineralogy character for altered granite pattern tantalite - columbite ore and its processibility has been studied.
作者详细研究了蚀变花岗岩型钽铌矿—我国南方某钽铌矿的工艺矿物学特性,并对其可选性进行了分析.
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