000  $anz n  2
000  $a주제어
001  $aKSH2001006218
005  $a20060402210111
008  $a010328 n azknnaabn          |a a|a    | 
150  $a상하수도[上下水道]
450  $wr$i불어$areseaux des eaux et d'egouts
450  $wr$i영어$awater supply and drainage
550  $wg$a생활 기반 시설[生活基盤施設]
550  $wg$a수도(물)[水道]
550  $wh$a상수도[上水道]
550  $wh$a하수도[下水道]
550  $a상하수도 기술사[上下水道技術士]