电机英语第er波：

bronze 青铜 
horsepower 马力 
random-wound 散绕 
insulation 绝缘 
ac motor 交流环电动机 
end ring 端环 
alloy 合金 
coil winding 线圈绕组 
form-wound 模绕 
performance characteristic 工作特性 
frequency 频率 
revolutions per minute 转/分 
motoring 电动机驱动 
generating 发电 
per-unit value 标么值 
breakdown torque   xixian转矩 
breakaway force 起步阻力 
overhauling 检修 
wind-driven generator 风动发电机 
revolutions per second 转/秒 
number of poles 极数 
speed-torque curve 转速力矩特性曲线