00000nz a2200000n 4500 001 KSH2002036429 005 20021217195604 008 021210 n azknn|abn |a a|a | 150 ▼a식수 공급[食水供給]▲ 550 ▼a식수(물)[食水]▲ 550 ▼a식수난[食水難]▲