“위급할 땐 직접 켜세요”…스프링클러 작동법은? / KBS 2024.08.28. KBSNews 0 28 08.28 23:41 https://www.youtube.com/watch?v=4Y6mcePSm2Q + 3 https://www.youtube.com/feeds/videos.xml?channel_id=UCcQTRi69dsVYHN3ex… + 5 “위급할 땐 직접 켜세요”…스프링클러 작동법은? / KBS 2024.08.28.