Draft Document - Railway applications - Infrastructure - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 3-2: Normalized railway noise spectrum and single number ratings for direct field applications; German and English version prEN 16272-3-2:2022
文件草案——铁路应用——基础设施——作用于空气声传播的噪声屏障和相关装置——声学性能测定的试验方法——第3-2部分:直接现场应用的标准化铁路噪声频谱和单次额定值;德语和英语