英文關鍵字
automated
automatic
cnc
cut
cutter
cutting
electronic
engineering
engraving
equipment
factory
fiber
hitechnology
industrial
industry
instrument
iron
laser
machine
machinery
machining
manufacture
manufacturing
metal
metalwork
metalworking
plant
process
processing
production
sheet
steel
technology
tool
unit
using
work
working
workpiece
workplace
workshop