68강. 액상봉지제 / Liquid Encapsulant / 성균관대학교 화학공학 고분자공학부 교수

New channel 플라스틱 읽어주는 배진영 교수님: title sample judged 'whole' (A university professor's channel of structured numbered lecture series on polymer chemistry, petrochemistry, and materia); 0 of 3 sampled transcripts showed teaching, 0 not; titles picked one by one, checked strictly; oEmbed verified.