electroslagn.电炉渣electropref.电的；电子的；电解的=electr-.electro-hydraulic ceiling mount电动液压天花板装架Electro -hydraulic servo system电液伺服系统electrochemical activity of cells细胞电化学活动electromagnetic shielding coating电磁屏蔽涂料electrogenemted chemiluminescence电致化学发光electromagnetic induction devices电磁感应装置electro-magnetic compactibility电磁学共存electrocardic six-axis-system心电六轴系统Electro-proportional flow valve电液比例流量阀electro-optical countermeasures光电对抗