英文關鍵字
accuracy
action
automated
beam
blaze
burn
chips
close
closeup
cnc
computer
cut
cutter
cutting
cuttings
danger
drill
energy
engineer
engineering
engraving
equipment
factory
fire
flames
flat
grind
industrial
iron
knife
laser
laserbeam
machine
manufacturing
metal
parts
perforate
plan
plant
precision
producing
project
robot
robotic
shavings
sparks
stainless
steel