機器
3d
3d rendering
aeroplane
aerospace
air
aircraft
airliner
airplane
airport
aviation
background
blade
cargo
close up
closeup
combustion
commercial
compressor
cut out
design
detail
energy
engine
engineering
fan
front
gear
industry
inlet
isolated
jet
mechanical
metal
motor
part
plane
power
rotor
steel
technology
thrust
transport
transportation
turbine
turbo
turbofan
turbojet
view
white