permanent bar永外磁棒
permanentadj.永久的;持久的n.<口> 烫发
permanent magnetic actuator controller永磁机构控制器
permanent- magnet brushless DC motor永磁无刷直流电动机
permanent magnet syn-chronous motors永磁同步电机
Permanent address and telephone number家庭地址和电话
permanently inflation-proof in value永久保值
permanent- magnet synchronous motors永磁同步电机
permanent magnetic operating mechanism永磁操动机构
permanent-magnet synchronous machine永磁同步电机