英文關鍵字
air
bags
batch
blow
commodities
control
electronics
engraving
factory
floor
image
industry
laser
letter
machine
making
manufacture
manufacturing
mark
marking
mechanical
motion
pipe
pipes
plastic
polymer
powder
pressure
printer
process
production
profile
ray
recycling
resins
russia
sign
stamp
system
technology
text
tool
tubes
vessel
work
workpiece