电机滑环
sliding ring of the motor
补偿式发电机电流差动保护
compensated generator differential protection
发电机差动保护
differential protection of generators
generator differential protection
微机发电机差动保护
Digital Differential Protection for Generator
YBF系列风机电机
series YBF Ex motor for fan
YBJ电机机座地脚
frame foots of YBJ series motors
冰箱压缩机电机
refrigerator compressor motor
低压辅机电机
auxiliary low voltage electrical machinery
电动发电机机车
motor-generator locomotive
电机电磁场
electric machine electromagnetic field
motor electromagnetic field
电机电磁场的分析与计算
analysis & calculation of electrical motor
电机电磁场的数值计算
calculation of electrical motor & electromagnetic