
INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 2: REVERBERANT ROOM METHOD
出版:British Standards Institution

专家解读视频
INDUSTRIAL FANS - DETERMINATION OF FAN SOUND POWER LEVELS UNDER STANDARDIZED LABORATORY CONDITIONS - PART 2: REVERBERANT ROOM METHOD
出版:British Standards Institution
专家解读视频