00000nz  a2200000n  4500
001  KSH1998024270
005  19991222131438
008  980429 n azknn|abn          |a a|a    | 
150  ▼a압력차[壓力差]▲
550  ▼a기압 경도[氣壓傾度]▲
550  ▼a벤튜리관[--管]▲
550  ▼a압력 분포[壓力分布]▲
550  ▼a압력(과학)[壓力]▲
550  ▼a피토관[--管]▲