英文關鍵字
machine
sparkle
pipeline
accuracy
burn
steel
stainless
laser
pipe
tube
fiber
nozzle
flame
fabrication
metalworking
spark
manufacturing
production
precision
plasma
splash
machining
machinery
blaze
energy
metalwork
processing
technology
industry
industrial
manufacture
cnc
light
heat
beam
torch
engrave
cutter
tool
work
mechanical
factory
cut
fire
power
gas
engineering
flash
metal
professional
close
scene
cutting
hi-technology
sheet
process