英文關鍵字
automated
business
center
cnc
computer
control
cross
cut
cutter
detail
engineering
equipment
factory
hard
head
heavy
hole
industrial
industry
iron
job
lathe
machine
machining
macro
manufacturing
mechanical
metal
metalworking
mill
milling
modern
new
oil
part
power
powerful
production
smoke
speed
steel
tech
technology
tool
tooling
turning
work
workshop