機器
roundness
abrasive
abrasive grain
accuracy
action
carbide
circular
crafted
crusher
cutting
cylindrical
diamond
dirty
dressing
drill
dust
factory
grind
grinder
grinding
grinding wheel
hole
industrial
industry
knife
machinery
machining
male
manufacturing
metal
metalworking
process
processing
production
refreshing
regrind
rotation
roughness
sharpen
sharpener
speed
steel
stone
surface
technology
tool
wheel
work
workshop