가스기사 필기 기초 특강 1탄 - 단위변환 특강

This is the first installment of instructor Oh Min-jeong's Gas Engineer Exam Basics Special Lecture, a special lecture on unit conversions. ================================= ■ Related Sites Online Lecture Site_Moava https://bit.ly/3N2ZQDr On-Site Lecture Site_Moa Academy https://bit.ly/3OqEq4n ■ Go to the Ongoing Success Story Event Success Story Event https://bit.ly/3oXoorK