electroheatn.电热electropref.电的；电子的；电解的=electr-.electroluminescent element场致发光元件electro-mechanic counter[医] 电动机械计数器electroinsulating material电气绝缘材料electrostatic electrograph[电] 静电电图electrostriction phenomena电致伸缩现象electrostatic field energy静电场能量electroplating waste water电镀废水electro-thermal property电热性能electrochemical gas sensor电化学气体传感器electrocardiogram's change