機器
aeroplane
air
aircraft
airline
airplane
aviation
avionic
blade
chrome
closeup
component
detail
display
drive
electronic
energy
engine
engineering
fan
flight
force
glitter
golden
horsepower
industry
jet
machinery
maintenance
mechanical
metal
modern
motive
motor
plane
power
powerful
rotation
round
science
screw
spiral
technology
transport
transportation
travel
turbine
turbo
ventilator
wing