名词 electromagnet:

1. a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet

electrobeamn.电子束electropref.电的；电子的；电解的=electr-.Electroeneephalography脑电描记术electrochromic glazing电致变色玻璃electro-delay system电子延时器electrotonic phenomena电紧张现象Electroless zinc alloy热镀锌合金electrogeometric model防雷electromagnetic action电磁作用electro-transporting电子传导Electro- coagulation电灼术electrokinetic effects动电效应