機器
action
aircraft
airfield
airplane
airport
antifreeze
badweather
car
chemical
climate
cold
condensation
de
defrost
defroster
deice
deicing
delayed
departure
drop
fog
frost
frozen
glycol
ice
icing
illuminated
jet
journey
liquid
nature
overcast
placeofwork
plane
preparation
problem
protection
safety
snow
spray
storm
takingoff
transportation
travel
truck
weather
wing
winter