electropism趋电性electropref.电的；电子的；电解的=electr-.electro management system用电管理系统electromechanical project机电工程electrolytic photocopying电解摄影复印electrocapillary equation电毛细管方程electrotechnical material电工材料electrophoretic filtering电泳过滤electromechanical working电机械加工electro-magnetic screen电磁屏蔽electromagnetic descaling电磁抗垢electrostatic measurement静电测量