機器
accuracy
background
bit
carbide
closeup
cnc
cut
cutter
cutting
drill
drilling
engineer
engineering
equipment
factory
hard
hole
industrial
industry
instrument
iron
lathe
machinery
machining
manufacture
manufacturing
material
mechanical
metal
metallic
metalwork
metalworking
mill
milling
precision
process
processing
production
sharp
solid
steel
technology
tool
tooling
tooth
turning
work
worker
workshop