機器
accuracy
aerospace
automated
automobile
background
carbide
cnc
cut
cutter
cutting
detail
drill
drilling
engineering
equipment
factory
heavy
hole
industrial
industry
iron
isolated
lathe
machinery
machining
manufacture
manufacturing
mechanical
metal
metallic
metalwork
metalworking
mill
milling
part
precision
process
processing
production
spark
steel
technology
tool
turning
white
work
worker
workpiece
workshop