00000nz a2200000n 4500 001 KSH2002005454 005 20021028000000 008 020209 n azknn|abn |a a|a | 150 ▼a급상식 염전[汲上式鹽田]▲ 550 ▼wg▼a염전[鹽田]▲ 550 ▼a유하식 염전[流下式鹽田]▲