electric point motor

例句：

1. 1. The electric point motor is responsible for driving the fan blades.
   电动点电机负责驱动风扇叶片。
2. 2.The electric point motor is a crucial component of the power system.
   电动点电机是电力系统的关键组成部分。
3. 3. The electric point motor is used to generate electricity from renewable sources such as solar and wind power.
   电动点电机用于从太阳能和风能等可再生能源中产生电力。