000  $anz n  2
000  $a주제어
001  $aKSH2000004410
005  $a20000228020811
008  $a000228 n azknnaabn          |a a|a    | 
150  $a갑문 저수지[閘門貯水地]
550  $wg$a저수지[貯水池]
550  $a배수 갑문[排水閘門]