insulation of outer heat的用法和样例：
例句
- Elevated levels can volatilize into the air heat preservation board refrigeration water, and maintain long-term food warming effect.
架空空气层可以挥发掉保温板冷凝水，保持长久的保温效果。 - Vacuum ball perlite glassy beads are suitable for all kinds of internal and external wall insulation and household wall, floor and access.
真空球珍珠岩玻化微珠适合于各种墙体内外保温及分户隔墙，楼层，通道。
