英文關鍵字
aerospace
arc
automated
beam
bright
business
cnc
control
copy
cut
cutter
cutting
engineering
equipment
factory
fire
flames
heat
hot
industrial
industry
laser
lasercutting
light
lpg
machine
machinery
machining
manufacture
manufacturing
mechanical
melting
metal
metalwork
micro
nozzle
plasma
plc
precision
processing
production
sheet
spark
steel
tech
technology
tool
treatment
work
workshop