機器
abrasive
accuracy
carbide
circle
circular
cnc
construction
cut
cutter
detail
diamond
engineering
equipment
fabric
factory
fire
grind
grinder
grinding
hole
industrial
industry
iron
machinery
machining
manual
manufacture
manufacturing
metal
metalwork
metalworking
operation
plant
power
precision
process
production
rotation
safety
saw
spark
speed
steel
technology
tool
turning
wheel
work
workshop