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什么是at变速箱
更新时间: 2021-06-01 02:32:35  

1、AT变速箱是指液力变矩器和行星齿轮变速器组成的液力机械自动变速箱。自动变速箱是相对于手动变速箱而出现的一种能够自动根据汽车车速和发动机转速来进行自动换挡操纵的变速装置。

2、AT变速箱的优点:平顺性好。适用面广、技术成熟。AT变速箱的缺点:机械效率偏低。结构复杂,制造成本和维修成本偏高。

关键词: 什么 at 变速箱

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