单词	ifr flight
释义	ifr flight 仪器飞行
随便看	in-service inservice inserviceable in-service behavior in-service condition inservice education in-service education of teachers (inset) in-service education program in-service examination in-service factor in-service forced derated hours in service inspection inservice inspection in-service inspection in(-)service inspection equipment in service inspection (isi) inservice inspection records in-service inspection system in-service job in-service life in service maintenance in-service maintenance derated hours in service monitoring in-service planned derated hours inservices ttyl ttym ttytjtyj ttyw ttyy ttz ttzb ttzg ttzj ttzl 灰质灰铁灰铁灰锰氧灰阶灰雀灰雁灰顶灰领灰飞烟灭