电动机正反转
the positive and negative rotary of motors
generator working in double direction
电机正反转
Electric motor revolution and connter revolution
PEC有机正电胶钻井液体系
PEC drilling fluid system
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
白色有机正电胶
white organic positive sol
冰箱压缩机电机
refrigerator compressor motor
补偿式发电机电流差动保护
compensated generator differential protection
超磁致伸缩电-机转换器
giant magnetostrictive actuator
大型电机转轴的焊补
Patch Welding of Rotor Shaft of Large-Sized Motor
大型电机转子槽铣床
large-sized generator rotor slotting machine
大型机组电机转子
Rotor system of large-scale unit machine
低压辅机电机
auxiliary low voltage electrical machinery