放电式印刷机
electric discharge printer
电机电刷磨损指示器
motor brush wear indicator
即热式电热水器
instant electric water heater
静电印刷机
electrostatic printer
electrostatic photography
xerographic printing machine
立式电机机座
the base of the vertical motor
两级半导体热电热机
two stage semiconductor thermoelectric generator
驱动电机电刷磨损指示器
drive motor brush wear indicator