if there is a huge amount of water going in there and doesn't come back out then how come the sea level never go down??? % o2 f }2 \/ R/ YTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。if 每天流入洞内的海水量达3000万千克.. then the level should go down more or less???