短語詞組短語acoustical damping material 聲阻尼材料Acoustical Insulating Material Association 隔音材料協(xié)會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 多效吸音材料Acoustical Material Association 聲學(xué)材料協(xié)會sprayed -on acoustical material 噴涂吸聲材料 返回 acoustical material