| 单词 | low-emissivity | 
| 释义 | > as lemmaslow-emissivity   low-emissivity adj. ΚΠ 1952    Brit. Patent 674,359 1/1  				Application to the surfaces of low emissivity coatings. 1982    Pop. Sci. Apr. 4/2  				Low-emissivity wallpaper is probably one of those great ideas that is just not practical. 2011    Victorian July 4/1 		(advt)	  				A hardcoat low emissivity glass within the secondary window lowers the U-value, a measure of heat loss. < as lemmas  | 
	
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