electrotint[刷]彩色电版,彩色电版术electropref.电的；电子的；电解的=electr-.electromagnetic wave device地震电磁波仪器electroacoustic performance[化] 电声性能electrocardiogram amplifier心电图放大器electromechanical amplifier机电放大器electromagnetic prospecting电磁勘探electro-optical converter电光变换器electro-optical rectifier光电整流器electrolysis polymerisation电解引发聚合electroanalytical chemistry电分析化学electromagnetic mixingpower电磁搅拌力