发电机,电动机,电气马达
Electromotor \E*lec`tro*mo"tor\, n. [Cf. F. ['e]lectromoteur.] 1. (Physics) A mover or exciter of electricity; as apparatus for generating a current of electricity. 2. (Mech.) An apparatus or machine for producing motion and mechanical effects by the action of electricity; an electro-magnetic engine.