機器
abrasive
accuracy
carbide
circle
circular
cnc
construction
cooling
cut
cutter
detail
diamond
engineering
equipment
fabric
factory
grinder
grinding
hole
industrial
industry
iron
light
machinery
machining
manual
manufacture
manufacturing
metal
metalworking
mill
milling
plant
power
precision
process
production
rotation
safety
spark
steel
technology
tool
turning
welding
wheel
work
worker
workshop