我司為博邦汽車設計建造的消聲室項目日前順利通過了上海市計量測試技術研究院的驗收。
經上海市計量測試技術研究院,半消聲室各項指標如下:
尺寸:3.5*3.3*2.6米(長*寬*高)
本底噪聲:19.1dB
截止頻率:125Hz
自由場半徑:1.2m
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