扬声器：扬声器中把电能转换成机械能的部分经常称为马达或声音线圈。
Loudspeaker: also speaker, the part of the speaker that converts electrical into mechanical energy is frequently called the motor, or voice coil.
发电机：任何将机械能转换成电能的机器，然后把电输送给家庭、商业和工业用户。
Generator: Machine that converts mechanical energy to electricity for transmission and distribution over power lines to domestic, commercial, and industrial customers.
电动机把电能转换成机械能。
An electric motor turns electrical energy into mechanical energy.
电动机把电能转换成机械能。
An electric motor turns electrical energy into mechanical energy.
应用推荐