機器
roundness
abrasive
abrasive grain
accuracy
action
balance
carbide
circular
cnc
crusher
cutter
cutting
diamond
disc
dressing tool
drill
equipment
factory
grind
grinder
grinding
industrial
industry
iron
knife
machinery
machining
manufacturing
metal
metalworking
plant
precision
process
production
refreshing
renovation
rotation
saw
sharpening
sparkle
speed
steel
stone
surface
technology
tool
wheel
work
workshop