压电直线电机
piezoelectric linear motor
piezo linear motor
共电式电话机
common battery telephone
common-battery telephone set
collective-electric telephone
common-battery (telephone) set
共电式电话交换机
common battery telephone exchange
common battery private branch exchange
直线共振加速器
linear resonance accelerator
立式电机振动分析
Vibration Analysis of Vertical Motor
动磁式直线电动机
Moving magnet linear motor
架线式电机车
electrically driven vehicle
trolley locomotive
立式电机机座
the base of the vertical motor
绕线式电机自激
self-excitation of wound-rotor motor
司罗雨式直线机构
Scott-Russell straight line mechanism
直线式电磁阀
linear electromagnetic valve