英文關鍵字
aircraft
airplane
airport
antifreeze
bad
before
chemical
cleaning
cold
condensation
decoration
defrost
deicing
delayed
departure
design
equipment
flight
frost
frozen
home
ice
icing
isolated
jet
journey
light
liquid
nature
ncleaning
operator
plane
preparation
problem
protection
runway
safety
shiny
sky
snow
spray
storm
takeoff
taxiway
technology
transportation
travel
waiting
weather
wing
winter
worker