
Acoustics - Determination Of Sound Power Levels Of Noise Sources Using Sound Pressure - Precision Methods For Anechoic And Hemi-anechoic Rooms
出版:Polish Committee for Standardization

專家解讀視頻
Acoustics - Determination Of Sound Power Levels Of Noise Sources Using Sound Pressure - Precision Methods For Anechoic And Hemi-anechoic Rooms
出版:Polish Committee for Standardization
專家解讀視頻