electrofit电惊厥electropref.电的；电子的；电解的=electr-.electrohydraulic unit电动液压附件electromagnetic relay电磁式继电器electrolysis aluminum电解铝electroplating supply电镀电源electrostatic printer静电印刷机electroslag remelting电渣精炼,电渣重熔electroplating method电镀Electromagnelic field电磁场Electrolytic tin line电镀锡机组electro - catalysis电催化