英文關鍵字
beam
cut
plywood
electric
wood
burn
manufacture
sheet
robotic
robot
engraving
construction
closeup
technology
ray
beams
plasma
machine
machinery
professional
detail
design
industrial
tool
computer
wooden
surface
smoke
industry
automatic
manufacturing
modern
machining
laser
cutter
energy
factory
chipboard
precision
production
light
processing
cnc