000  $anz n  2
000  $a주제어
001  $aKSH2004032756
005  $a20040823191818
008  $a040823 n azknnaabn          |a a|a    | 
150  $a액체 트랩[液體--]
450  $wr$i영어$aliquid trap
550  $wg$a트랩(기기)[trap]