中文關鍵字
英文關鍵字
air traffic
airbus
airplane wing
airplane wings
aviation
commercial aircraft
cropped
day
daylight
daytime
de-ice
de-ices
de-icing
defrost
defrosting
defrosts
deice
deicees
deicing
empennage
empennages
europe
frankfurt
frankfurt am main
frankfurt on the main
German Federal Republic
germany
hesse
hessen
Hessia
Lufthansa
method
methods
no one
no people
nobody
partial view
passenger plane
passenger planes
side view
side views
sideview
tail assembly
technical
technique
technology
traffic