00000nz  a2200000n  4500
001  KSH1998035911
005  20050829101232
008  980429 n azknn|abn          |a a|a    | 
150  ▼a인상 압력[引上壓力]▲
450  ▼wr▼i영어▼auplift pressure▲
550  ▼wg▼a압력(과학)[壓力]▲
550  ▼a수압[水壓]▲
550  ▼a토양 역학[土壤力學]▲
550  ▼a토질 역학[土質力學]▲