electrosray电喷雾electropref.电的；电子的；电解的=electr-.electroless copper - plating化学镀铜electromagnetic sensing system电磁敏感系统electrocatalytic hydrogenation电催化加氢electromagnetic microvibration电磁微振electrocontinuous microsyringe电动持续微量注射器electro-hydraulic servo unit电动液压伺服装置electro-stimulation analyzer电刺激分析仪electromagnetic PCG microphone电磁式心音微音器electropneumatic point machine电动气动转辙机Electrochemical Time Indicator电化计时指示器