機器
3d
3d engine
3d jet engine
3d plane engine
aeroplane
aerospace
aircraft
airplane
aviation
back view
blade
blue
cross
crosssection
cut
cutaway
design
detail
energy
engine
engineering
fan
flight
gear
half
illustration
industrial
industry
inside
jet
jet engine
mechanical
metal
metallic
motor
part
parts
performance
plane
plane engine
power
precision
propeller
rotor
section
shiny
side view
technology
threedimensional
transmission
transport
transportation
turbine
turbo
turbojet
white background