中文翻译与英英解释

n.
【冶金】费镍钴〔铁镍钴合金〕。

This page describes four similar alloys, primarily used in metal-through-glass seals, they are Kovar, FerNiCo I, FerNiCo II and Dumet. These abbreviation forms are names which are (or were once) trademarks.