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
등온선은 온도가 일정한 지점을 연결하는 선입니다.deungonseun ondoganeun iljeonghan jipjeomeul yeon-gyeohaneun seonimnida.An isotherm is a line that connects points of equal temperature.