_美国供暖 制冷与空调工程师协会 ANSI-ASHRAE Standard 84-2008 空气到空气 热-能量热交换器测试方法.pdf

ANSI/ASHRAE Standard 84-2008 (Supersedes ANSI/ASHRAE Standard 84-1991) ASHRAE STANDARD ASHRAE STANDARD Method of Testing Air-to-Air Heat/Energy Exchangers Approved by the ASHRAE Standards Committee on January 19, 2008; by the ASHRAE Board of Directors on January 23, 2008; and by the American National Standards Institute on January 24, 2008. - ASHRAE Standards are scheduled to be updated on a five-year cycle; the date following the standard number is `--