英文關鍵字
action
aerospace
arm
automated
blaze
boring
burn
business
closeup
cnc
construction
copy
cut
cutter
cutting
danger
drilling
energy
engineering
engraving
equipment
factory
fire
flames
flat
heat
highfrequency
highvoltage
horizontal
hot
industrial
industry
intense
iron
laser
light
line
machine
machinery
machining
manufacture
manufacturing
material