[YTN 특집] 세계 배터리대전, 1부, 승자는 누구인가? / YTN YTN 0 22 08.26 18:35 https://www.youtube.com/watch?v=M3IOvGSZ9ss + 3 https://www.youtube.com/feeds/videos.xml?channel_id=UChlgI3UHCOnwUGzWz… + 0 [YTN 특집] 세계 배터리대전, 1부, 승자는 누구인가? / YTN