fire-proof structure

• 耐火结构

fire-proof structure的用法和样例：

例句

1. The steel cylindrical casings using fire proof material,also heat insulating material interiorly, which forms fire-proof structure.
   钢板制成的圆筒外壳中使用了耐火材料，内部也贴有绝热材料，形成耐火结构。