noun🔗Share교환대The electronic panel that is used to direct telephone calls to the desired recipient."The switchboard operator directed the call to the principal's office. "교환대 직원은 전화를 교장실로 연결했다.electronicscommunicationtechnologymachinedeviceutilitysignaltoeicChat with AIVocabulary GamePractice Reading
noun🔗Share교환대A device that directs electricity from one source to another."The electrician checked the switchboard to find the source of the power outage in the house. "전기 기술자는 집의 정전 원인을 찾기 위해 교환대를 점검했습니다.electronicstechnologydeviceelectriccommunicationmachinesystemtoeicChat with AIVocabulary GamePractice Reading
