noun🔗Share회전 속도계A device for measuring the revolutions per minute (RPMs) of a revolving shaft, as with the driveshaft of an automobile."The driver glanced at the tachometer to make sure the engine's RPMs were not too high. "운전자는 엔진의 RPM이 너무 높지 않은지 확인하기 위해 회전 속도계를 쳐다봤다.devicemachinevehicletechnologyelectronicstechnicalChat with AIVocabulary GamePractice Reading
noun🔗Share회전 속도계A device for measuring or indicating velocity or speed, as of blood, a river, a machine, etc."The mechanic checked the car engine's speed using a tachometer. "정비공은 회전 속도계를 사용하여 자동차 엔진의 속도를 확인했습니다.devicemachinetechnicalelectronicsvehiclephysicsscienceChat with AIVocabulary GamePractice Reading
