zhoupu1983 发表于 2018-5-4 14:21:07

ANSI/AHRI Standard 220

ANSI/AHRI Standard 220

2014 Standard for
Reverberation Room
Qualification and Testing
Procedures for Determining
Sound Power of HVAC
Equipment


admin 发表于 2018-5-7 10:19:54


谢谢您的分享，金币已奖励!
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