sound absorbing material

基本解释

When galvanized-iron is used, it may be lined with sound absorbing material, to reduce noise from movement of air.
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。
Sound absorbing material (10) as vehicle exterior equipment includes nonwoven fabric (20) containing main fibers and binder fibers.
本发明的车辆外装用吸音材料（10）包括无纺布（20），该无纺布（20）具有主纤维和粘合纤维。
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和无机物等研制了一种性能优良的吸声材料。该吸声材料具有低频吸声系数好、成型加工简单、成本低等优点。