随着国内汽车设计制造水平的不断提高,不同品牌汽车的使用性能和安全性能之间的差距不断缩小,相比之下,NVH性能常常成为区别汽车品牌好坏的重要因素之一,对降低车内噪声具有十分重要的意义。 With the continuous improvement of the domestic automobile design and manufacturing level, the difference between the performance and safety performance of different brands of automobiles is shrinking. In contrast, NVH performance often becomes one of the important factors that differentiate the brand of a car, Internal noise is of great importance.