electrotint[刷]彩色电版,彩色电版术electropref.电的；电子的；电解的=electr-.electrolytic recorting tank电解记录法electromagnetic slip clutch电磁滑差离合器electrodynamic-type meter电动式仪表electromagnetic micro relay微电磁继电器electropneumatic transducer电气转换器electromagnetic flow meters电磁流量计Electro-catylic reduction电催化还原electrostatic disc atomiser静电盘雾化器electroluminescence spectra电致发光光谱electrochemical surfacearea电化学表面积