单词	double glazing
释义	double glazing noun : two layers of glass with a small insulating gap in between set in a window to reduce heat flow in either direction Example Sentences Recent Examples on the Web The double glazing, roof insulation, and shade wings have resulted in huge energy savings. Julia Zaltzman, Robb Report, 5 Mar. 2021 The car is utterly silent, thanks to 220 pounds of acoustic damping, plus double glazing and felt insulation within a twin-section of floor and bulkhead. Hannah Elliott, Bloomberg.com, 30 Sep. 2020 For soundproofing, the Ghost uses more than 220 pounds of acoustic damping, plus double glazing and felt insulation within a twin-section floor and bulkhead. Mike Duff, Car and Driver, 1 Sep. 2020 Word History First Known Use 1833, in the meaning defined above
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