After measuring the noise inside the light rail vehicle,we draw the conclusions that the middle-low frequency noise is serious inside the LRV,the value of the noise is distinct in location.
英
美
- 通过对我国轻轨车辆进行车内噪声测试可知,轻轨车辆车内噪声中低频突出,噪声大小随空间位置的不同而不同;