A new type of porous sound absorbing material was made from super-strength gypsum and glass fiber. 摘要以高強石膏為膠凝材料，內摻玻璃纖維，製備出一種新型多孔吸聲材料。
The paper chooses the appropriate muffler,and experiments with the capability of sound absorption material,and designs the dustproof project. 本文通過選擇合適的消聲器以及吸聲材料實驗和防塵方案的設計。
A new type of porous sound absorbing material was made from super-strength gypsum and glass fiber. 摘要以高強石膏為膠凝材料，內摻玻璃纖維，製備出一種新型多孔吸聲材料。
The paper chooses the appropriate muffler,and experiments with the capability of sound absorption material,and designs the dustproof project. 本文通過選擇合適的消聲器以及吸聲材料實驗和防塵方案的設計。
Under the bowl there is a sound-absorbing material. 水缸下面有隔音材料。
The studio's soundproof material is imported from Germany. 這家錄音室的隔音材料是德國進口的。
Rubber surrounding and quality dampening material enhances good reproduction and a long life. 其橡膠盆架和高品質吸音材料使其具有更強的聲學還原性和更長的使用壽命。
