谁能帮忙翻译一下这段话,不要用翻译工具的,谢谢
Furnacefansareusedtocirculateairthroughductworkinresidentialheatingandcoolingequipmen...
Furnace fans are used to circulate airthrough ductwork in residential heating and cooling equipment. Last year,approximately 3 million furnace fans were shipped in the United States. Astandard furnace fan for a 70,000 Btu per hour furnace consumes approximately1,000 kilowatt-hours per year and this standard could reduce energy use by 46percent.
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