機器
accuracy
air
automated
background
bolt
brass
carbide
chuck
cutter
cutting
design
detail
die
drill
drilling
edge
engineering
equipment
factory
formimg
hole
industrial
industry
lathing
machinery
machining
manufacturer
manufacturing
metal
metalwork
pipeline
precision
process
processing
production
sharp
shop
soft
steel
tap
technology
thread
threading
tool
tooling
turning
work
working
workshop