00000nz a2200000n 4500 001 KSH1999017368 005 19990614123316 008 990614 n azknn|abn |a a|a | 150 ▼a내부 에너지[內部--]▲ 450 ▼wr▼i영어▼ainternal energy▲ 550 ▼wg▼a에너지[energy]▲