标准号:NFEN16272-1-2013
英文标准名称:Railwayapplications-Track-Noisebarriersandrelateddevicesactingonairbornesoundpropagation-Testmethodfordeterminingtheacousticperformance-Part1:intrinsiccharacteristics-Soundabsorptioninthelaboratoryunderdiffusesoundfi
国际标准分类号:93.1