1、AT變速箱，AT變速箱是在每個檔位之間都會有一個離合片，離合片的作用就是控制檔位，能夠達到換擋，現在我們平常使用的AT變速箱就是采用對離合器的進行的一個控制，然后運用到變速箱里面達到換擋。

1. AT gearbox, there is a clutch plate between each gear, and the function of the clutch plate is to control the gear and achieve shifting. The AT gearbox we usually use now is to control the clutch and then apply it to the gearbox to achieve shifting.

2、自動變速箱的原理是：通過液力傳遞和齒輪組合的方式來達到變速變矩。自動變速箱是由液力變扭器、行星齒輪、液壓變距系統和液壓操縱系統組成。

2. The principle of an automatic transmission is to achieve variable speed and torque through hydraulic transmission and gear combination. An automatic transmission is composed of a hydraulic torque converter, planetary gears, hydraulic pitch control system, and hydraulic control system.

3、自動擋汽車變速箱的工作原理是：利用行星齒輪機構進行變速，其能根據油門踏板程自動擋度和車速變化，自動地進行變速。變速箱又稱變速器，是用來改變來自發動機的轉速和轉矩的機構，能固定或分擋改變輸出軸和輸入軸的傳動比。

3. The working principle of an automatic car transmission is to use a planetary gear mechanism for speed change, which can automatically shift gears and speed changes according to the throttle pedal range. A gearbox, also known as a transmission, is a mechanism used to change the speed and torque from the engine. It can fix or shift gears to change the transmission ratio of the output and input shafts.

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