機器
aeroplane
aerospace
air
aircraft
airline
airliner
airplane
airscrew
aviation
background
blade
close
closeup
design
detail
energy
engine
engineering
equipment
fan
flight
fly
force
fuel
industry
jet
light
machinery
maintenance
mechanic
mechanical
metal
motor
part
plane
power
powerful
propeller
rotor
speed
steel
technology
thrust
transport
transportation
turbine
turbo
turbojet
white