Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
전기 회로에서 배리스터는 전압 서지를 방지하는 데 사용됩니다.jeongi hoeroseo baeriseuteoneun jeonap seojireul bangjihaneun de sayongdoemnida.In electrical circuits, a varistor is used to prevent voltage surges.