《清聽(tīng)聲學(xué)波束成型定向揚(yáng)聲系統(tǒng)可根除廣場(chǎng)舞、集體活動(dòng)等噪聲擾民問(wèn)題》的評(píng)論 http:///news/gongsidong/22574.html 噪聲治理_聲學(xué)設(shè)計(jì)_隔音降噪 Wed, 22 Jan 2025 03:29:44 +0000 hourly 1