英文關鍵字
abstract
alloy
aluminium
aluminum
automated
background
blurred
blurry
close
cnc
coolant
cooling
cut
cutter
detail
engineering
factory
focus
glass
industrial
industry
liquid
lubricant
machine
machining
manufacturing
metal
mill
milling
precision
process
production
selective
spray
steel
technology
tool
turning
wash
water
window
workpiece
workshop