00000nz a2200000n 4500 001 KSH1998044856 005 19991011105754 008 980713 n azknn|abn |a a|a | 150 ▼a빙식 구릉[氷蝕丘陵]▲ 550 ▼wg▼a언덕▲ 550 ▼a빙식[氷蝕]▲