electrotint[刷]彩色电版,彩色电版术electropref.电的；电子的；电解的=electr-.electromagnetically focused电磁聚焦的electrochemical neutralizer电化学中和器electrolytic chromatography电解色谱electroexplosive transducer电爆换能器electromagnetism experiment电磁学实验electroabsorption modulator电吸收调制器electromagnetic wave method电磁波法electro-phoretic variants电泳变体electromagnetic oscillation电磁振荡Electrocardiograph teaching心电图教学