英文關鍵字
accuracy
area
automated
business
current
cut
cutting
danger
drilling
electric
electricity
electroerosive
energy
engineering
equipment
fabrication
factory
head
heavy
industrial
industry
iron
lathe
line
machine
machinery
machining
manufactured
manufacturing
mechanical
metal
metalwork
metalworking
modern
plant
plasma
precision
processing
product
production
solid
steel
tech
technology
tool
work
workbench
workers
working
workpiece