[짤막상식] 원자력 발전소 / YTN YTN 0 63 07.20 03:17 https://www.youtube.com/watch?v=8MNgegZRo4w + 22 https://www.youtube.com/feeds/videos.xml?channel_id=UChlgI3UHCOnwUGzWz… + 10 [짤막상식] 원자력 발전소 / YTN