Oral Polio Vaccine口服脊髓灰质炎疫苗 optionally piloted vehicle (aircraft)选择性地驾驶车辆(飞机) Offshore Patrol Vessel海底巡回船 Open Ventilation打开通风 Open Pollinated Variety开放授粉的品种 Outpatient Visit门诊访问 Oferta PÚblica de Venta (de acciones)Oferta PÚblica de Venta (de acciones) Obliterated Procesus VaginalisProcesus擦拭阴道 Over Print Varnish (printing)在打印清漆(印刷) Offre Publique de VenteOffre Publique德糖浆 Observation Post Vehicle观察站车辆 Other People's Views别人的意见 Over Print Varnish在打印清漆