摘要
主要分析ECE R51《关于就噪声排放方面批准四轮及四轮以上机动车的统一规定》中方法A及方法B的差异。
This paper mainly analyses the technical difference between the measurement method A and B of regulation ECE R51 - Uniform provisions concering the approval of motor vehicles having at least four wheels with regards to their noise emissions.
出处
《客车技术与研究》
2008年第3期55-58,共4页
Bus & Coach Technology and Research
关键词
机动车
噪声排放
方法差异
motor vehicle
noise emission
method difference
