UNE EN 16644:2015现行
Pumps - Rotodynamic Pumps - Glandless Circulators Having A Rated Power Input Not Exceeding 200 W For Heating Installations And Domestic Hot Water Installations - Noise Test Code (Vibro-Acoustics) For Measuring Structure- And Fluid-Borne Noise
出版：Asociacion Espanola de Normalizacion
专家解读视频
