美利体育登录入口官网:BS EN 16727-2-1:2018
铁路应用 轨道对空气传播声音起作用的隔音屏障和相关装置 非声学性能 列车通过引起的动态载荷下的机械性能 抗疲劳性
Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Non-acoustic performance. Mechanical performance under dynamic loadings due to passing trains. Resistance to fatigue