GB/T 40578-2021轻型汽车多工况行驶车外噪声测量方法标准
英文:Measurement methods for noise emitted by light-duty vehicles in multiple driving mode conditions GB/T 40578-2021介绍: 国...
英文:Measurement methods for noise emitted by light-duty vehicles in multiple driving mode conditions GB/T 40578-2021介绍: 国...