機器
alloy
background
bend
circle
cnc
cone
control
curling
device
dish
engine
engineering
equipment
factory
forming
gear
heavy
industrial
industry
iron
lathe
machinery
machining
manufacture
manufacturing
mechanical
metal
metallic
metalwork
part
power
process
processing
produce
production
roller
rolling
rotation
speed
spin
steel
technology
thread
tool
tooling
tunnel
turning
vehicle
workshop