转速计 zhuànsùjì tachometer Definitions Defs Origin Strokes Stroke Words Sentences Sents 转速计 轉速計 zhuànsùjì tachometer An instrument used in electrical or mechanical systems to measure and display rotational speed.
转速计 轉速計 zhuànsùjì tachometer An instrument used in electrical or mechanical systems to measure and display rotational speed.
