double insulation [电] 双重绝缘 ; 双层绝缘 ; 双绝缘 ; 对重绝缘
conductor with double insulation 双层绝缘线
Double-insulation construction 双重绝缘结构
double insulation pipe 双重保温管
double-decked insulation 双层保温结构
Buildings in Shanghai continue to spring up without loft insulation or double glazing.
在上海，没有顶楼隔热或双层玻璃的建筑不断涌现。
That holds double for the landlord or developer, who won't actually see a penny of the savings his investment in better insulation or a better heating system might generate.
这对房东或开发商来说是双倍的好处，因为他们实际上会看到，自己在更好的隔热或更好的供暖系统上的投资不会节省一分钱。
I prefer the sliding glass doors for three reasons. They are a really good size for a batch heater, they are tempered safety glass and they are double layered for insulation.
个人喜欢选用滑动推拉玻璃门，理由有三：它尺寸刚刚好，又是双层钢化安全玻璃做的，还有保温的功能。
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