00000nz  a2200000n  4500
001  KSH2002017473
005  20021122000000
008  020721 n azknn|abn          |a a|a    | 
150  ▼a중력류[重力流]▲
550  ▼wg▼a해류[海流]▲
550  ▼wh▼a저탁류[低濁流]▲