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车室内的噪声使乘员感到疲劳和不快,降低噪声的重要措施是吸音材料的合理利用。文中介绍了减少轿车车室内噪声的吸音材料特性和应用例。
Noise inside the car so that passengers feel tired and unpleasant, an important measure to reduce noise is the rational use of sound-absorbing materials. In this paper, the characteristics and application of sound-absorbing materials to reduce the indoor noise of passenger cars are introduced.