electrolinen.电场力线electropref.电的；电子的；电解的=electr-.electro-optical theodolite光电经纬仪electrohydraulic servosystem电动液压伺服系统electrolyzed metal manganese电解金属锰electrochemical performances电化学性能electrostatic dust separator静电除尘器electromagnetic gas analyzer电磁气分析计electromagnetism calculation电磁计算electro-optical conversion电光变换electrostriction coefficient电致伸缩系数electromagnetic surveillance电磁波监视