A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
O.M.S(One Man Shift:채탄능률)
OCB(Oil Circuit Breaker:유압차단기)
OCR(Over Current Relay:과전류계전기)
OH(Over Haul:계획예방정비)
Oil Sand(오일샌드)
OL(Over Load:과부하)
OPEC(Organization of Pertoleum Exporting Countries:석유수출국기구)
OPR1000(Optimized Power Reactor 1000:한국표준형원전(KSNP)의 해외용명칭)
Orimulsion(오리멀전)
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