单词：refractories
[机] 耐火材料
n lining consisting of material with a high melting point; used to line the inside walls of a furnace
refractories的用法和样例：
例句
- This is not to belittle the enormous progress in the development of refractories.这并非是小看耐火材料发展中的巨大进步。
- The main difficulty was failure of refractories at high temperature.其主要的困难是高温下耐火材料的损坏。