Outage Management System停电管理系统 Organizzazione Mondiale Per La SanitÀ (Italy)Organizzazione Mondiale Per La SanitÀ (Italy) OrganizaciÓn Mundial de la SaludOrganizaciÓn Mundial de la Salud Odorless Mineral Spirits无灵。矿物 Ovonic Memory Switch双向存贮开关 Operations and Maintenance Subsystem操作维护分系统 Organic Mass Spectrometry《有机质谱测定法》 Order Management Software订单管理软件 Operations and Maintenance Services操作和维修服务 Outlook Mobile Service (Microsoft Outlook 2007)展望移动服务(Microsoft Outlook 2007) Omsk (Russia)Omsk(俄罗斯) Output Per Man-Shift (mining)Man-Shift产量(矿业) Organizational Maintenance Shop组织维修店 Offshore Medical Services海上的医疗服务 Occupational Medical Service职业医疗服务