英文關鍵字
aircraft
airline
airplane
airport
antifreeze
aviation
bad
chemical
cold
condensation
defrost
deicing
delayed
departure
engine
flight
fly
frost
frozen
ice
icing
icy
jet
journey
liquid
machine
motion
plane
preparation
problem
process
protection
safety
slow
slowmotion
snow
spray
spraying
technology
transport
transportation
travel
vehicle
weather
wing
winter
working