电机: (任何产生和应用电能的机器, 特指发电机、电动机) any power-generating or power-driven machine, esp. generator or electric motor; electrical machinery◇电机厂 electrical machinery plant; 电机工程师 electric engineer; 电机工业
冠: 冠名词1.(帽子) hat 短语和例子免冠照片 bareheaded photo; 衣冠整齐 be neatly dressed2.(状似帽子或在顶上的东西) crown; corona 短语和例子花冠 corolla; 树冠 the crown of a tree; 牙冠 the crown of a tooth3.(鸟禽头上的一束羽毛或突起) crest; comb 短