機器
abrasive
accuracy
action
alloy
automotive
background
business
carbide
circle
circular
cnc
coolant
cooling
corundum
cutting
detail
disc
disk
equipment
fabrication
foundry
grinder
grinding
heat
industry
iron
machinery
machining
manufacture
manufacturing
metal
metalworking
mill
milling
plant
precision
process
production
rotation
sparks
speed
steel
surface
technology
tool
turning
water
wheel
workshop