00000nz a2200000n 4500 001 KSH1999017301 005 19990611172542 008 990611 n azknn|abn |a a|a | 150 ▼a내륙 사구[內陸砂丘]▲ 450 ▼wr▼i영어▼ainland dune▲ 550 ▼wg▼a사구(모래)[砂丘]▲