英文關鍵字
aerial
aerodrome
air
aircraft
airfield
airplane
airport
antenna
aviation
background
beacon
broadcast
cable
closeup
communication
construction
control
design
detect
device
electronic
equipment
fly
industrial
information
marine
mast
modern
nautical
navigation
phone
power
radar
radio
rotate
safe
searching
security
ship
signal
spin
spinning
station
technology
telecommunication
tower
transportation
turning
wave