00000nz a2200000n 4500 001 KSH2001014911 005 20021214000000 008 010809 n azknn|abn |a a|a | 150 ▼a수반 관개[水盤灌漑]▲ 450 ▼a수반법[水盤法]▲ 450 ▼wr▼i영어▼abasin method irrigation▲ 550 ▼wg▼a관개[灌漑]▲