sound absorbing material

基本解釋

When galvanized-iron is used, it may be lined with sound absorbing material, to reduce noise from movement of air.
但當使用白鐵皮時，也許要內襯吸音材料，以降低由于空氣流動而引起的噪聲。
Sound absorbing material (10) as vehicle exterior equipment includes nonwoven fabric (20) containing main fibers and binder fibers.
本發(fā)明的車輛外裝用吸音材料（10）包括無紡布（20），該無紡布（20）具有主纖維和粘合纖維。
ip.com
A new sound absorbing material that is good in sound absorbing at the low frequency and high frequency is made from PVC and rockwool in this paper.
利用PVC和無機物等研制了一種性能優(yōu)良的吸聲材料。該吸聲材料具有低頻吸聲系數好、成型加工簡單、成本低等優(yōu)點。