短語(yǔ)詞組短語(yǔ)acoustical damping material 聲阻尼材料Acoustical Insulating Material Association 隔音材料協(xié)會(huì)Acoustical Insulation Material 隔音材料acoustical l material 吸音材料underwater acoustical material 水聲材料porous acoustical material 多孔吸聲材料;多孔性吸音材料versatile acoustical material 多傚吸音材料Acoustical Material Association 聲學(xué)材料協(xié)會(huì)sprayed -on acoustical material 噴塗吸聲材料 返回 acoustical material