niobium的翻译，读音

例句

niobium and niobium-zirconium wires are mainly used in lighting industry. 铌及铌锆丝大量用于制造高压钠灯。

niobium oxides are favorable promoter and Support. 铌氧化物是优良的促进剂和良好的载体. 。

niobium is a soft metal used in producing superconducting steel. 铌是制造超导钢制品的一种软金属. 。

niobium and niobium - zirconium wires are mainly used in lighting industry. 铌及铌锆丝大量用于制造高压钠灯. 。

A black mineral that is an ore of niobium and '. 一种黑色矿物，是铌、钽矿石。