refractory insulation

• 耐火材料绝缘

refractory insulation的用法和样例：

例句

1. It can be used for special abrasive tools.It also is a new one of heat insulation materials and high grade of refractory materials ,ceramics refractories.
   用于特殊磨具，是一种新型的耐火隔热材料和高级绝缘耐火材料，陶瓷耐火材料。