electroslagn.电炉渣electropref.电的；电子的；电解的=electr-.electrochemical analytical method电化学分析法electrochemically pre-deposited预先电沉积electroplating of aluminium alloy铝合金电镀electropneumatic valve positioner电气阀门定位器electromechanical data processing机电式数据处理Electroencephalography specialist脑电描记专家electro-dynamic repulsion force电动斥力electro connecting pressure gauge电接点压力表electrochemical hydrogen charging电解充氢electro-optic scattering effect电光散射效应