機器
紡錘
abrasive
bright
circle
circular
close
cnc
cnc grinding
cooling
disk
engineering
equipment
factory
fire
floor
grinding
grinding machine
hand
hundred knock
industry
iron
large plan
light
machines
manual
mechanic
metal
metalwork
metalworking
mill
plant
precision
production
rotation
sawing
shine
spark
spin
steel
surface
technical
technology
tool
turning
water
wet
wheel
work
workplace