機器
3d
3d illustration
3d rendering
background
binding
bond
business concept
classic
closeup
cog
cogs
cogwheel
concept
conceptual
connect
design
engine
engineering
factory
gear
gearbox
gears
industrial
industry
macro
mechanical
mechanics
mechanism
metal
metallic
motion
parts
precision
rotate
shine
spares
steel
success
team
teamwork
technology
wheel
work