多看汽车知识，你的大脑将不可逆的变聪明。接下来两年半，我将带你搞懂所有汽车知识，今天我们讲变速箱的区别，问你个问题 AT 双离合 CVT 手动挡到底谁更好，今天就带你一次性搞清楚：

　　By reading more about car knowledge, your brain will irreversibly become smarter. In the next two and a half years, I will take you to understand all the knowledge about cars. Today, we will talk about the difference between gearboxes and ask you a question: which is better, AT dual clutch CVT manual transmission? Today, I will take you to figure it out at once:

　　第一手动变速箱也叫 MT 属于老司机的快乐，却是新手的噩梦。手动挡可以说是最原始也最直接的变速箱，优点很硬，核，比如传动效率极高，省油结构简单，故障率低，维修便宜，而且换挡完全由你掌控，驾驶参与感拉满，但缺点也很明显，需要手脚并用市区堵车，能把腿踩抽筋，还有坡道起步。容易熄火，对新手不友好。如今在家用车上越来越少见，主要是为驾驶爱好者或特定车型保留。

　　The first manual transmission, also known as MT, is a joy for experienced drivers, but a nightmare for beginners. Manual transmission can be said to be the most primitive and direct gearbox, with many advantages, such as extremely high transmission efficiency, simple fuel saving structure, low failure rate, cheap maintenance, and completely controlled gear shifting. The driving experience is full, but the disadvantages are also very obvious, requiring both hands and feet to use in urban traffic jams, leg cramps, and starting on slopes. Easy to stall, unfriendly to beginners. Nowadays, it is becoming increasingly rare in family cars, mainly reserved for driving enthusiasts or specific vehicle models.

　　第二自动变速箱也叫 at 人送外号皮实耐用的全能战士 at 变速箱靠液力变矩器和行星齿轮组工作。液力变矩器让动力连接很柔和，所以它极其耐用。故障率低，而且低速时能放大扭矩，配上能扛大扭矩的行星齿轮，让它成了越野车和许多中高端车的首选。大部分坦克用的也是 AT 你可以自豪的给别人说自己用的坦克同款，它的缺点是结构复杂，导致成本高，专利也多，所以车价贵。另外，市区低速行驶时油耗偏高。换挡会有点顿挫感。

　　The second automatic transmission, also known as the AT, is nicknamed the sturdy and durable all rounder. The AT transmission works with a hydraulic torque converter and planetary gear set. The hydraulic torque converter makes the power connection very smooth, so it is extremely durable. With a low failure rate and the ability to amplify torque at low speeds, coupled with planetary gears that can withstand high torque, it has become the preferred choice for off-road vehicles and many mid to high end cars. Most tanks also use AT, and you can proudly tell others that you use the same type of tank. Its disadvantage is that its structure is complex, resulting in high costs and multiple patents, so the car price is expensive. In addition, fuel consumption is relatively high when driving at low speeds in urban areas. Shifting gears may feel a bit jerky.

　　第三双离合变速箱也叫 DCT，它是又快又省的双面手双离合，顾名思义有两套离合器交替工作，换挡速度极快，传动效率高，所以特别省油，提速也快。它分干式和湿式干式双离合传动效率最高，最省油，但离合器片，散热式短板，适合高速，国道等通畅路况。在频繁走走停停的拥堵路况下，容易因离合器过热而顿挫，甚至故障。湿式双离合用油液包裹离合器片散热好更稳定，能适应更多路况，但传动效率和油耗表现会比干式稍逊一筹，成本也更高。

　　The third dual clutch transmission, also known as DCT, is a fast and efficient double-sided manual dual clutch transmission. As the name suggests, it has two sets of clutches working alternately, with extremely fast shifting speed and high transmission efficiency, making it particularly fuel-efficient and fast in acceleration. It is divided into dry and wet dry dual clutch transmission with the highest efficiency and fuel efficiency, but the clutch plates and heat dissipation type short plates are suitable for smooth road conditions such as highways and national roads. In congested road conditions with frequent stops and starts, it is easy for the clutch to experience jerking or even malfunction due to overheating. Wet dual clutch clutch fluid wrapped clutch plates have better and more stable heat dissipation, and can adapt to more road conditions, but their transmission efficiency and fuel consumption performance may be slightly inferior to dry type, and the cost is also higher.

　　第四种无级变速箱也叫 CVT。它是平顺省油的市区通勤王 CVT，没有固定档位，通过钢带和追轮实现无级变速，优势是极其平顺，毫无顿挫，且市区低速行驶时非常省油，但它无法承受太大扭矩，激烈驾驶或经常大脚油门容易导致钢带打滑甚至损伤。因此，它通常与小排量发动机搭档，最适合追求舒适，主要在市区代步的用车场景，不知道你有没有听过当 CVT 介入的恐怖传说。

　　The fourth type of continuously variable transmission is also called CVT. It is a smooth and fuel-efficient urban commuting king CVT, with no fixed gears and continuously variable transmission achieved through steel belts and chasing wheels. Its advantage is extremely smooth, without any jerks, and it is very fuel-efficient when driving at low speeds in urban areas. However, it cannot withstand too much torque, and intense driving or frequent heavy throttle can easily cause steel belt slippage or even damage. Therefore, it is usually paired with a small displacement engine, which is most suitable for pursuing comfort and is mainly used in urban commuting scenarios. Have you heard of the terrifying legend of CVT intervention.

　　最后总结一下怎么选？追求驾驶乐趣不怕麻烦选手动档预算充足图，省心耐用，长跑烂路或越野首选 AT 变速箱主要跑高速国道。追求提速快和油耗低，干式双离合是优选市区代步为主，看重平顺，舒适和省油 CVT 变速箱最合适，啥路况都跑，想要均衡表现，可考虑湿式双离合。

　　Finally, summarize how to choose? Pursuing driving pleasure without fear of trouble, the athlete has sufficient budget for dynamic transmission, which is worry free and durable. The AT gearbox is the preferred choice for long-distance running or off-road driving, mainly on highways and national roads. Pursuing fast acceleration and low fuel consumption, dry dual clutch transmission is the preferred choice for urban commuting, emphasizing smoothness, comfort, and fuel efficiency. CVT transmission is the most suitable for driving on any road conditions. If you want balanced performance, wet dual clutch transmission can be considered.