작성일 :2019-06-03 조회수 : 97
․ 수력발전
1) 자료 https://band.us/band/75052963/post/3 https://band.us/band/75052963/post/4
2) VOD http://energy.uu.ac.kr/~isahn/PE/GHP_1.avi http://energy.uu.ac.kr/~isahn/PE/GHP_2.avi http://energy.uu.ac.kr/~isahn/PE/GHP_3.avi