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
전력량계는 전기의 소비량을 측정하는 장치입니다.jeollyeongnyanggyeneun jeongiui sobiryangeul cheugjeonghaneun jangchiimnida.The power meter is a device that measures electricity consumption.