00000nz  a2200000n  4500
001  KSH2000027021
005  20000427002155
008  000427 n azknn|abn          |a a|a    | 
150  ▼a메탄 세균[--細菌]▲
450  ▼a메탄 발효 세균[--醱酵細菌]▲
450  ▼wr▼i영어▼amethane bacteria▲
550  ▼wg▼a세균문[細菌門]▲
550  ▼a메탄[methane]▲