insulated door

例句：

1. 1. This new insulated door is much more energy efficient than the old one.
   这款新型绝缘门比旧的更节能。
2. 2.The construction workers were busy installing insulating doors on the new building.
   建筑工人忙着在新大楼上安装绝缘门。
3. 3.The insulating door helps to keep the cold out and the heat in.
   这个绝缘门有助于保持寒冷和温暖。