汽车变速器是汽车的一个重要部件,它的工作噪声是汽车总噪声的重要来源,而且也是其自身质量优劣的重要标志之一。
Gearbox is one of the important parts of automobile, whose working noise is not only the important resource of total noise of automobile but also an important mark of its quality.
汽车变速器是汽车的一个重要部件,它的工作噪声是汽车总噪声的重要来源,而且也是其自身质量优劣的重要标志之一。
Gearbox is one of the important parts of automobile, whose working noise is not only the important resource of total noise of automobile but also an important mark of its quality.
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