permanent magnet dc motor造句

• Anticontrol of chaos in permanent magnet dc motor
  永磁直流电机的混沌反控制
• Ndfeb permanent magnet dc motor for ocean salvation robot
  海洋救助机器人用钕铁硼永磁直流电动机设计
• In this paper , a calculate theory and method is presented , a under - water permanent magnet dc motor is taken for instance , the descent of its efficiency from 20 to 80 is calculated
  介绍了一种温升对电机效率影响的计算思路与方法，并以一台水下使用的永磁直流电机为例，计算在20 ~ 80范围内效率的下降情况。