機器
auto
automated
automobile
automotive
background
car
chrome
closeup
cnc
cutter
cutting
detail
engine
engineering
equipment
factory
gear
gearbox
hole
industrial
industry
iron
lathe
machinery
machining
manufacture
manufacturing
mechanic
mechanical
metal
metalwork
mill
milling
part
power
powerful
process
processing
production
repair
steel
technology
tool
tooling
transmission
turning
work
workshop