heat preservation system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。 - It is necessary to pay attention to the external walls of the food warming and complex facades and at the Broken Bridge aluminum alloy windows and the glass wall system.
人们要重视外墙的保温性，以及复合外墙加中空玻璃和断桥铝合金窗的围护系统。
