000 $anz n 2 000 $a주제어 001 $aKSH2002004261 005 $a20021229000000 008 $a020203 n azknnaabn |a a|a | 150 $a해안 평야[海岸平野] 550 $wg$a퇴적 평야[堆積平野] 550 $wg$a평야[平野] 550 $wh$a개석 해안 평야[開析海岸平野] 550 $a연장천[延長川]