阀跳
Based on the measurements and analysis on noise of a certain gasoline engine during high speed, it is clarified that two major vibration sources causing engine noise during high speed are timing gear transmission and valve bounce.
通过对某汽油机高速异响噪声的测试和分析表明,正时齿轮传动和气门落座是导致产生高速异响噪声的两个主要激振源。
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