What gearbox is dvt?

At present, there is no dvt gearbox, only cvt gearbox and dct gearbox. Dct gearbox is a dual clutch gearbox and cvt gearbox is a continuously variable gearbox. The structure and working principle of these two gearboxes are different. Dual clutch gearbox is a product developed on the basis of manual gearbox, which is similar in structure to manual gearbox. Gearbox, also known as transmission, is an automobile accessory used to change the speed and torque from the engine. The transmission ratio of the output shaft and the input shaft can be changed by fixed or step-by-step method. The gearbox is composed of variable speed transmission mechanism and control mechanism, which is divided into step, stepless and comprehensive transmission, and has the functions of reversing, interrupting power transmission and changing transmission ratio.