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
千: Ⅰ数词1.(十个百) thousand 短语和例子成千上万 by the thousands and tens of thousands; 千分之一 one [a] thousandth; 三千名学生 three thousand students2.(比喻很多) a great amount of; a great number of 短语和例子千百条建议 lots an