000 $anz n 2 000 $a주제어 001 $aKSH2004031539 005 $a20040805003019 008 $a040805 n azknnaabn |a a|a | 150 $a처마 홈통 450 $wr$i영어$agutter 550 $wg$a배수구[排水溝]