機器
abrasive
accuracy
background
buff
business
carbide
circular
cnc
cooling
corundum
cut
detail
diamond
disc
disk
engineering
equipment
fabric
fabrication
factory
foundry
gear
glazer
grinder
grinding
hole
industry
machine tool
machinery
machining
manufacturing
metal
metalworking
plant
polish
polishing
precision
process
production
rotation
saw
sparkles
sparks
steel
technology
tool
wheel
work
workshop