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.
但儅使用白鉄皮時(shí)，也許要內(nèi)襯吸音材料，以降低由於空氣流動(dòng)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(chē)輛外裝用吸音材料（10）包括無(wú)紡佈（20），該無(wú)紡佈（20）具有主纖維和粘郃纖維。
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(wú)機(jī)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(shù)好、成型加工簡(jiǎn)單、成本低等優(yōu)點(diǎn)。