機器
abrasive
accuracy
automate
burnish
carbide
cnc
corundum
detail
diamond
disc
disk
equipment
finishing
glazer
grinder
grinding
industrial
industry
iron
lubricant
lubrication
machinery
machining
manufacture
manufacturing
metal
metalwork
metalworking
operation
polish
polishing
precision
process
production
rotation
sparkle
sparks
speed
steel
technology
tool
wheel
workpiece
workplace