英文關鍵字
acrylic
aluminum
background
black
cnc
concept
construction
control
cut
cutter
engineering
equipment
factory
industrial
industry
isolated
machine
machinery
machining
manufacture
manufacturing
material
measurement
metal
mill
milling
modern
object
one
pipe
plastic
polymer
precision
process
processing
production
quality
router
shape
steel
technology
tool
white
work