吸音材料 [
xī yīn cái liào]
damping material
acoustic material
acoustical material
- 用吸音材料制成的装置用来减小风机的噪声。
Using sound-absorbing material made of the device used to reduce fan noise. - 但当使用白铁皮时,也许要内衬吸音材料,以降低由于空气流动而引起的噪声。
With regard to materials used for ducts, the interiors should be smooth to keep resistance to air flow small. - 但当使用白铁皮时,也许要内衬吸音材料,以降低由于空气流动而引起的噪声。
When galvanized-iron is used, it may be lined with sound absorbing material, to reduce noise from movement of air.