
Acoustics - Determination of sound power levels of noise sources - Engineering methods for small, movable sources in reverberant fields - Part 1:Comparison method for hard - walled test rooms
出版:Korean Standards Association

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Acoustics - Determination of sound power levels of noise sources - Engineering methods for small, movable sources in reverberant fields - Part 1:Comparison method for hard - walled test rooms
出版:Korean Standards Association
专家解读视频