機器
3d
3d rendering
auto
automobile
background
blue
blueprint
car
chrome
compression
construction
cylinder
design
diesel
draw
drawing
engine
engineering
fan
gear
gearbox
glossy
graphic
illustration
industrial
industry
line
machinery
manufacturing
mechanic
mechanical
mechanism
metal
motor
motorized
outline
parts
piston
plan
power
repair
technical
technology
transmission
truck
turbine
valve
vehicle
white