electroformv.电铸electropref.电的；电子的；电解的=electr-.electrostatic powder coating静电粉末涂装electrochemical disinfection电化学消毒electromagnetic ratchet unit电磁棘轮装置electromagnetics transmitter[电] 电磁发射机electrostatic field strength静电场强度electro-hydraulic governor电液调节器,电动液压调节器electro-optical deflection电光偏转electromagnetic field theory电磁场理论electromechanical integrator电机械积分器electrochemically degreasing电化学除油