permanent bar永外磁棒
permanentadj.永久的;持久的n.<口> 烫发
permanent magnetic drum protection磁筒防护
permanent magnet synchronism motor永磁同步电动机
permanent strength testing machine持久强度试验机
permanent-magnet technical apply永磁技术应用
permanent magnetic adhesion device永磁吸附装置
permanent-magnet dynamic speaker永磁电动扬声器
permanent-magnet off-centering永磁偏心
Permanent Address and phone number通讯地址和电话
permanent magnet ring torque motor永磁环形力矩电机
permanent-magnet DC moment motor永磁直流力矩电机