機器
automotive
background
car
close
clutch
cnc
cogs
connection
crankshaft
drive
engine
engineering
equipment
friction
gear
gearbox
gearing
half
industrial
industry
iron
isolated
manufacture
mechanic
mechanical
metal
metallic
mill
part
pile
pivot
pulley
reduction
repair
shaft
shift
shiny
shot
spare
splines
steel
stub
surface
technology
teeth
tool
transmission
tube
white