000  $anz n  2
000  $a주제어
001  $aKSH2001009986
005  $a20021202000000
008  $a010504 n azknnaabn          |a a|a    | 
150  $a삼상 결선[三相結線]
450  $wr$i영어$athree-phase connection
550  $wg$a결선(접속)[結線]
550  $a3상 회로[三相回路]