Lehman663535 发表于 2015-2-6 09:29:00

ASHRAE 51 Laboratory Methods of Testing Fans for Certified Aerodynamic Performan

ASHRAE 51 Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating



admin 发表于 2015-2-6 16:22:20

谢谢您的分享，金币已奖励

railey 发表于 2016-5-6 18:28:26

回复才能查看！所以我只好回复了

H378751476 发表于 2016-5-17 15:01:36

暖通空调的规范   看看哪年的版本
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