短語詞組短語foamed sound -absorbing material 泡沫吸聲材料Outdoor sound -absorbing material 室外吸音材料porous sound -absorbing material 多孔吸聲材料ceramic sound -absorbing material 陶瓷吸聲材料thermal insulation and sound -absorbing material 隔熱吸聲材料sound -absorbing material with composite structure 復(fù)合結(jié)構(gòu)吸聲材料porous sound absorbing material 多孔性吸聲材料cavity sound absorbing material 腔體吸聲結(jié)構(gòu) 返回 sound absorbing material