英文關鍵字
abrasive
accuracy
automate
automotive
carbide
cnc
corundum
cut
detail
diamond
disc
disk
equipment
fabric
finishing
foundry
glazer
grinder
grinding
grindstone
industrial
industry
iron
machine
machinery
machining
manufacturing
metal
metalworking
operation
plant
polish
precision
process
production
rotation
saw
sharpening
sparkles
sparks
speed
steel
surface
technology
tool
wheel
workpiece
workplace
workshop