变速箱共分5种：①手动变速箱MT②自动变速箱AT ③手自一体变速箱AT/MT ④无极变速箱CVT⑤双离合变速箱DCT（DSG）
There are 5 types of transmission: ① manual transmission MT ② automatic transmission at ③ manual automatic transmission at / MT ④ stepless transmission CVT ⑤ double clutch transmission DCT (DSG)
一、手动变速箱优点：随意掌握换挡时机，良好的驾驶乐趣、省油缺点：操作性复杂、上手难度高点评：老一批考驾驶证的都知道：一踩离合二挂挡，说的就是手动档
1、 Advantages of manual transmission: random control of shift timing, good driving fun and fuel saving disadvantages: complex operability and high difficulty in getting started comments: the old batch of drivers who test their driver's license know: step on clutch and engage in gear, which means manual gear
二、自动变速箱优点：操控简单、上手快、适合新手缺点：技术陈旧、动力燃油经济性不如手动变速器点评：现在的人都比较懒，喜欢买自动挡，踩油门就走，省事
2、 Advantages of automatic transmission: simple operation, quick start, suitable for novices disadvantages: old technology, power and fuel economy are not as good as manual transmission comments: people are lazy now, like to buy automatic gear and step on the accelerator to save trouble
三、手自一体变速箱优点：手动自动自由切换、燃油经济性和舒适性好缺点：手动模式不能完全手动、使用成本和维修费用高点评：想懒，又想省油，于是发明了它
3、 Advantages of manual automatic transmission: manual automatic free switching, good fuel economy and comfort disadvantages: manual mode can not be completely manual, high use cost and maintenance cost comments: I want to be lazy and save fuel, so I invented it
四、无极变速箱优点无顿挫感、动力持续且顺畅、油耗低缺点加速感差、可承受的扭矩偏小点评：前面三种还要手动或自动跳档，这种 CVT连档都不用跳，直接用两个甩盘变速
4、 Limitless gearbox has the advantages of no sense of frustration, continuous and smooth power, low fuel consumption, poor acceleration sense and small maximum torque. Comments: the first three types also need to manually or automatically skip gears. This CVT doesn't even need to skip gears, and directly uses two swing discs for speed change
五、双离合变速箱DCT（DSG）优点换挡快、几乎无扭矩损失、降低15%燃油消耗、几乎无顿挫感缺点成本比较高，稳定性差点评：DCT分干式和湿式，其设计来自于赛车运动，主要是为了更快传递动力和切断动力！一般车才装这个
5、 Double clutch gearbox DCT (DSG) has the advantages of fast shift, almost no torque loss, 15% reduction in fuel consumption, almost no sense of frustration, high cost and poor stability. Comments: DCT is divided into dry and wet. Its design comes from racing sports, mainly to transfer power and cut off power faster! This is usually installed on high-end cars
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