用“national airspace”造句大全，national airspace造句
Thisclosed-endmanagementsystemisinaspecifichistoricalcircumstancesandtechnicalconditions,formedtodefenditsnationalairspace,toensureflightsafetyhasplayedanimportantrole.ItmightgrowtrickierforMrBashirif...
用“controlled airspace”造句大全，controlled airspace造句
1、Alsoallowsyoutosailinacontrolledairspace.2、UncontrolledairspaceisdesignatedClassF,whilecontrolledairspacebelow5,490mabovesealevelandnotinthevicinityofanairportisClassE.3、Inlinewithinternationalci...
用“airspace”造句大全，airspace造句
Britishairspacewasclosed.ThejetenteredChineseairspacewithoutpermission.We'renowenteringthedesignatedairspace.Buttheproblemoflimitedairspaceremains.AnaircraftintrudedChina'sairspaceover...areaforreco...