With the development of the electric vehicle industry,more and more new energy vehicles are lis-ted,and major automobile companies are continuously increasing their research and development efforts in order to increase market share and brand influence.In recent years,with the increase in the number of electric vehi-cles,the NVH performance of electric vehicles has become one of the key issues that major car companies need to address.This article analyzes and studies the interior noise problem of a certain electric vehicle vacuum pump,and proposes a method to optimize the interior noise of the vacuum pump.
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