电动机在南方俗称马达,在北方叫做电滚子。电动机是用来做功的动力机器,它把输入的电能转变成机械能而输出,送到各种生产机械上,拖动生产机械作功。 电动机的种类很多,按电动机使用的电源 Motor commonly known in the south motor, called the electric roller in the north. The motor is a power machine used to do work. It converts the input electrical energy into mechanical energy and outputs it to various production machines, dragging the production machinery for work. Many types of motor, according to the motor power supply