four phase two stage torque converter

例句：

1. 1. Thefour-phase two-stagetorque converter is acritical component in the transmission system.
   四阶段两阶段扭矩转换器是传动系统中的一个关键部件。
2. 2. The design of the four-phase two-stage torque converter has greatly improved the efficiency of thevehicle.
   四阶段两阶段扭矩转换器的设计大大提高了车辆的效率。
3. 3. The four-phase two-stagetorque converter isused to convert the mechanical energy fromthe engine into electrical energy for the electricmotor.
   四阶段两阶段扭矩转换器用于将发动机的机械能转换为电动马达所需的电能。