单词	maintenance hook
释义	maintenance hook 维护钩
随便看	en-route area Enroute Automated Radar Tracking System enroute base Enroute Battle Command enroute chart enroute climb en route control enroute descent en-route diversion enrouteenrt en route goods Enroute Guidance System enroute height Enroute High Altitude enroute high altitude chart en route high altitude chart enroute high altitude charterhac enroute low altitude chart en route low altitude chart enroute low altitude charterlac enroute marker beacon en-route marker beacon En Route Penetration en route radar en-routes