major insulation

例句：

1. 1.The new building is designed with major insulation to reduce energy consumption.
   这座新建筑采用了主要绝缘设计，以减少能源消耗。
2. 2.The insulation material used in the construction is of high quality.
   施工中使用的绝缘材料质量上乘。
3. 3. The insulation layer between the wires helps to prevent electrical short circuits.
   电线之间的绝缘层有助于防止电气短路。