inner insulation

例句：

1. 1. The engineer used a specialmaterial to improve the inner insulationof the building.
   工程师使用一种特殊的材料来提高建筑物的内部绝缘。
2. 2. The new car hasbetter inner insulation than its predecessor.
   这款新车的内绝缘比前一代更好。
3. 3. The insulation is designed toprevent heat from escaping duringwinter months.
   这种绝缘设计用于在冬季防止热量逃逸。