사무실, 호텔 또는 기타 대형 건물에서 전화 연결을 제어하기 위한 장치
An installation for the manual or automatic control of telephone connections in an office, hotel, or other large building.
예문:
"The hospital switchboard was overwhelmed with calls during the emergency."
"She worked as a switchboard operator, connecting incoming calls to the correct departments."
전기 회로 간의 연결을 변경하거나 전력을 분배하는 데 사용되는 장치 또는 패널
An apparatus or panel used for varying connections between electric circuits or distributing electrical power.
예문:
"The main switchboard in the basement controls the electricity for the entire factory."
"A technician was called to repair a blown fuse in the electrical switchboard."