operaria职虫(膜翅目)
operan.歌剧n.挪威Opera软件公司的浏览器软件
Operating Plane Months作战飞机月数
operating noise factor工作噪声因数
operating system space操作系统存储空间
operas of Ming Dynasty明代戏曲
opera- tion strategy运行策略
operating expense book[经] 营业费用帐簿
operating item counter操作次数计数器
operating suction lift吸水高度
operating laryngoscope手术喉镜
operating irregularity操作故障