electrolessadj.无电的electropref.电的；电子的；电解的=electr-.electrolytic refining cell电解精炼槽electroconductive particle导电性粒子electropneumatic contactor电动气动接触器electrocasted refractories电炉熔铸耐火物electroluminescence sensor电荧光传感器电发光传感器electroluminescent display电发光显示器,电致发光显示器,场致发光显示器electrocardiogram data set心电图数传机electromagnetic flowrneter电磁流量计electrostatic oscillometer静电示波仪Electroless plating copper化学镀铜