自動變速箱（Automatic Transmission）是一種主要用于自動變速和換擋的汽車傳動裝置。

　　Automatic transmission is a type of automotive transmission device primarily used for automatic transmission and gear shifting.

　　它可以在駕駛過程中自動調整車輛的速度和擋位，使駕駛員能夠更輕松、更舒適地駕駛車輛。自動變速箱通過液力耦合器和離合器來實現換擋過程，這些部件在車輛行駛過程中自動協調工作，確保發動機動力有效地傳遞到驅動輪上。

　　It can automatically adjust the speed and gear of the vehicle during driving, allowing the driver to drive the vehicle more easily and comfortably. The automatic transmission achieves the shifting process through hydraulic couplings and clutches, which work in automatic coordination during vehicle operation to ensure effective transmission of engine power to the driving wheels.

　　自動變速箱的主要優點是簡化了駕駛過程，減輕了駕駛員的疲勞，提高了車輛的燃油效率。然而，它們通常比手動變速箱更昂貴，且維修成本可能更高。

　　The main advantages of automatic transmission are simplifying the driving process, reducing driver fatigue, and improving vehicle fuel efficiency. However, they are usually more expensive than manual transmissions and maintenance costs may be higher.

　　自動變速箱的工作原理是通過液力耦合器和離合器來實現換擋過程，這些部件在車輛行駛過程中自動協調工作，確保發動機動力有效地傳遞到驅動輪上。自動變速箱具有更高的傳動效率，換擋平穩，駕駛更加舒適，因此受到越來越多的消費者歡迎。此外，自動變速箱可以適應不同駕駛環境和路況，提供了更好的駕駛體驗。

　　The working principle of an automatic transmission is to achieve the shifting process through hydraulic couplings and clutches, which automatically coordinate their work during vehicle operation to ensure effective transmission of engine power to the driving wheels. Automatic transmissions have higher transmission efficiency, smoother shifting, and more comfortable driving, making them increasingly popular among consumers. In addition, automatic transmissions can adapt to different driving environments and road conditions, providing a better driving experience.

　　然而，與手動變速箱相比，自動變速箱的維修成本可能更高，且在某些情況下可能需要更多的維護。此外，由于自動變速箱的復雜性，其故障率可能會更高。因此，當選擇車輛時，消費者需要權衡自動變速箱的優點和缺點，并根據自己的需求和駕駛習慣做出選擇。

　　However, compared to manual transmissions, automatic transmissions may have higher maintenance costs and may require more maintenance in certain situations. In addition, due to the complexity of automatic transmissions, their failure rate may be higher. Therefore, when choosing a vehicle, consumers need to weigh the advantages and disadvantages of an automatic transmission and make a choice based on their own needs and driving habits.

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