機器
abrasive
accuracy
automate
blue
carbide
closeup
cnc
coolant
cooling
corundum
cutter
detail
diamond
disk
equipment
fabric
factory
finishing
focus
foundry
grinder
grinding
industrial
industry
instruments
iron
machinery
machining
manufacture
manufacturing
metal
metalwork
metalworking
operation
plant
polish
precision
process
production
rotation
ship
sparks
speed
steel
surface
technology
tool
wheel
work